APA aipamena

Albuquerque, U. (1996). penguin India: Career guide: The sciences. Penguin Books.

Chicago Style aipamena

Albuquerque, Usha. Penguin India: Career Guide: The Sciences. New Delhi: Penguin Books, 1996.

MLA aipamena

Albuquerque, Usha. Penguin India: Career Guide: The Sciences. Penguin Books, 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.