APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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