United Nations Fund for Pupulation Activities. (1976). Survey of contraceptive laws: Country profiles, checklists, and summaries. United Nations Fund for Population Activities.
Cita Chicago (17th ed.)United Nations Fund for Pupulation Activities. Survey of Contraceptive Laws: Country Profiles, Checklists, and Summaries. [New York?]: United Nations Fund for Population Activities, 1976.
Cita MLA (8th ed.)United Nations Fund for Pupulation Activities. Survey of Contraceptive Laws: Country Profiles, Checklists, and Summaries. United Nations Fund for Population Activities, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.