International Planned Parenthood Federation. (1992). People & the Planet. Planet.
Lua i Stíl Chicago (17ú heag.)International Planned Parenthood Federation. People & the Planet. London: Planet, 1992.
Lua MLA (8ú heag.)International Planned Parenthood Federation. People & the Planet. Planet, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
