Παραπομπή APA

Berndt, B. C., & Rankin, R. A. (1997). Ramanujan: Letters and commentary.

Παραπομπή Chicago Style

Berndt, Bruce C., και Robert A. Rankin. Ramanujan: Letters and Commentary. Affiliated East-West Press Pvt. Ltd., New Delhi, 1997.

Παραπομπή MLA

Berndt, Bruce C., και Robert A. Rankin. Ramanujan: Letters and Commentary. 1997.