APA aipamena

Susan Visvanathan. (2007). Phosphorous and stone. Penguin Books.

Chicago Style aipamena

Susan Visvanathan. Phosphorous and Stone. New Delhi: Penguin Books, 2007.

MLA aipamena

Susan Visvanathan. Phosphorous and Stone. Penguin Books, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.