Cita APA (7th ed.)
Pi�n�on, R. (2002). Biology of human reproduction. University Science Books.
Cita Chicago (17th ed.)
Pi�n�on, Ram�on. Biology of Human Reproduction. Sausalito, Calif.: University Science Books, 2002.
Cita MLA (9th ed.)
Pi�n�on, Ram�on. Biology of Human Reproduction. University Science Books, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.