People & the planet / IPPF, UNFPA, IUCN.
Cita Chicago (17th ed.)People & the Planet / IPPF, UNFPA, IUCN.
Cita MLA (9th ed.)People & the Planet / IPPF, UNFPA, IUCN.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)