Cita APA (7th ed.)
ebrary, Inc. (1993). Factors affecting contraceptive use in Sub-Saharan Africa. National Academy Press.
Cita Chicago (17th ed.)
ebrary, Inc. Factors Affecting Contraceptive Use in Sub-Saharan Africa. Washington, D.C.: National Academy Press, 1993.
Cita MLA (9th ed.)
ebrary, Inc. Factors Affecting Contraceptive Use in Sub-Saharan Africa. National Academy Press, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.