APA aipamena

Courant, R. a. R. H. (1946). What is mathematics? Oxford University.

Chicago Style aipamena

Courant, Richard and Robbins Herbert. What Is Mathematics? Oxford University, 1946.

MLA aipamena

Courant, Richard and Robbins Herbert. What Is Mathematics? Oxford University, 1946.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.