APA ציטוט

Swain, R. L. (1965). Understanding Arithmetic. New York: Holt, Rinehart and Wiston.

Trích dẫn kiểu Chicago

Swain, Robert L. Understanding Arithmetic. New York: Holt, Rinehart and Wiston, 1965.

ציטוט MLA

Swain, Robert L. Understanding Arithmetic. New York: Holt, Rinehart and Wiston, 1965.