World Health Organization. (1983). Intrauterine devices: Their role in family planning care. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Intrauterine Devices: Their Role in Family Planning Care. Geneva: World Health Organization, 1983.
Cita MLA (8a ed.)World Health Organization. Intrauterine Devices: Their Role in Family Planning Care. World Health Organization, 1983.
Precaución: Estas citas no son 100% exactas.