APA引用形式

Courant, R., & Robbins, H. (1941). What is mathematics: An elementary approach to ideas and methods. Oxford University.

シカゴスタイル引用形

Courant, Richard, , Herbert Robbins. What Is Mathematics: An Elementary Approach to Ideas and Methods. London: Oxford University, 1941.

MLA引用形式

Courant, Richard, , Herbert Robbins. What Is Mathematics: An Elementary Approach to Ideas and Methods. Oxford University, 1941.

警告: この引用は必ずしも正確ではありません.