APA aipamena

United Nations. Levels and trends of contraceptive use as assessed in 2002.

Chicago Style aipamena

United Nations. Levels and Trends of Contraceptive Use as Assessed in 2002.

MLA aipamena

United Nations. Levels and Trends of Contraceptive Use as Assessed in 2002.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.