APA (7th ed.) Zitazioa

Journal of Obstetrics and Gynaecology Canada (JOGC). Cambridge University Press.

Chicago Style (17th ed.) Zitazioa

Journal of Obstetrics and Gynaecology Canada (JOGC). Cambridge University Press.

MLA (9th ed.) Zitazioa

Journal of Obstetrics and Gynaecology Canada (JOGC). Cambridge University Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.