APA aipamena

(1972). Third Conference on Prostaglandins in Fertility Control. World Health Organization.

Chicago Style aipamena

Third Conference on Prostaglandins in Fertility Control. Stockholm: World Health Organization, 1972.

MLA aipamena

Third Conference on Prostaglandins in Fertility Control. World Health Organization, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.