APA aipamena

Norwitz, E., & Schorge, J. (2008). At a Glance. Obstetri & Ginekologi. Erlangga.

Chicago Style aipamena

Norwitz, Errol, and John Schorge. At a Glance. Obstetri & Ginekologi. Erlangga, 2008.

MLA aipamena

Norwitz, Errol, and John Schorge. At a Glance. Obstetri & Ginekologi. Erlangga, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.