APA
International Planned Parenthood Federation, United Nations Population Fund & International Union for conservation of nature and natural resources. (19921999). People & the planet. London: IPPF.
Chicago
International Planned Parenthood Federation, United Nations Population Fund and International Union for conservation of nature and natural resources. 19921999. People & the planet. London: IPPF.
Harvard
International Planned Parenthood Federation, United Nations Population Fund and International Union for conservation of nature and natural resources. (19921999). People & the planet. London: IPPF.
MLA
International Planned Parenthood Federation, United Nations Population Fund and International Union for conservation of nature and natural resources. People & the planet. London: IPPF. 19921999.