APA (7. basım) Alıntı

(2001). Levels and trends of contraceptive use as assessed in 1998. United Nations.

Chicago Style (17. basım) Atıf

Levels and Trends of Contraceptive Use as Assessed in 1998. New York: United Nations, 2001.

MLA (9th ed.) Atıf

Levels and Trends of Contraceptive Use as Assessed in 1998. United Nations, 2001.