APA (7e ed.) Bronvermelding

Zimmermann, W., & Cunningham, S. (1991). Visualization in teaching and learning mathematics. The Mathematical Association of America.

Chicago (17e ed.) Bronvermelding

Zimmermann, Walter, en Steve Cunningham. Visualization in Teaching and Learning Mathematics. Washington, D.C: The Mathematical Association of America, 1991.

MLA (9e ed.) Bronvermelding

Zimmermann, Walter, en Steve Cunningham. Visualization in Teaching and Learning Mathematics. The Mathematical Association of America, 1991.