एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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