Alsina, C. & Nelsen, R. B. (2006). Math Made Visual Creating Ä°mages for Understanding      Mathematics. New York: The Mathematical Association of America.

Chikwere, P., & Ayama, K. Teaching of Geometric Construction in Junior High School: An Intervention. Journal of Elementary Education, 26(1), 139-146.

Creswell, J. (2015). Riset Pendidikan: Perencanaan, Pelaksanaan dan Evaluasi Riset Kualitatif dan Kuantitatif. Yogyakarta: Pustaka Pelajar.	
	
Duval, R. (1998). Geometry from a Cognitive Point of View. New ICMI Studies Series, 5, 37-51.

Erduran, A. dan Yesildere, S. (2010). The Use of a Compass and Straightedge to Construct Geometric Structures. Elementary Education Online, 9(1).

Fajriah, N. (2015). Kriteria Berpikir Geometris Siswa SMP dalam Menyelesaikan Masalah Geometri. Math Didactic: Jurnal Pendidikan Matematika, 1(2), 103-108. 

Goos, M., Stillman, G. & Vale, C. (2007). Teaching Secondary School Mathematics (Research and Practice for the 21st Century). Australia: Allen & Unwin.

Hershkowitz, R. (1990). Psychological aspects of learning geometry. Mathematics and cognition: A research synthesis by the International Group for the Psychology of Mathematics Education, 70-95.

Hoffer, A. (1981). Geometry More than Proof.  Mathematics Teacher, 74(1), 11-18. (Online), (http://ilkogretim-online.org.tr), diakses 1 Agustus 2016.

Moleong. L.J. (2011). Metode Penelitian Kualitatif. Bandung: PT, Remaja Rosdakarya.

National Council of Teachers of Mathematics. (2000). Principles and Standards for School Mathematics. Reston, VA: NCTM.

Santrock, J.W. (2007). Psikologi Pendidikan. Alih bahasa Wibowo, T. Jakarta: Kencana Prenada Media Group.

Sugiyono. (2014). Metode Penelitian Kuantitatif Kualitatif dan R & D. Bandung: Alfabeta.

Surapranata, S. (2004). Analisis, Validitas, Reliabilitas, dan Interpretasi Hasil Tes. Bandung: PT. Remaja Rosdakarya. 

Torregrosa, G dan Quesada, H. (2008). The Coordination of Cognitive Processes In Solving Geometric Problems Requiring Formal Proof. In Proceedings of the Joint Meeting of the 32nd Conference of the International Group for teh Psychology of Mathematics Education, and the XX North American (Vol. 4, pp. 321-328).

Zimmermann, W. & Cunningham, S. (2011). Editors Introduction: What is Mathematical Visualization. In Visualization in Teaching and Learning Mathematics. Mathematical Association of America, 1-8.