APA aipamena

Scher, J. (1985). Pregnancy everything you need to know. penguin Books.

Chicago Style aipamena

Scher, Jonathan. Pregnancy Everything You Need to Know. Great Britain: penguin Books, 1985.

MLA aipamena

Scher, Jonathan. Pregnancy Everything You Need to Know. penguin Books, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.