Não informado. (1973). People. International Planned Parenthood Federation.
Lua i Stíl Chicago (17ú heag.)Não informado. People. London: International Planned Parenthood Federation, 1973.
Lua MLA (8ú heag.)Não informado. People. International Planned Parenthood Federation, 1973.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.