Não informado. (2008). Reproduction. Society for Reproduction and Fertility.
Lua i Stíl Chicago (17ú heag.)Não informado. Reproduction. Cambridge, Inglaterra: Society for Reproduction and Fertility, 2008.
Lua MLA (8ú heag.)Não informado. Reproduction. Society for Reproduction and Fertility, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.