Não informado. (1988). Journal of Reproduction and Fertility. Journal of Reproduction and Fertility.
Chicago-referens (17:e uppl.)Não informado. Journal of Reproduction and Fertility. Cambridge, Inglaterra: Journal of Reproduction and Fertility, 1988.
MLA-referens (8:e uppl.)Não informado. Journal of Reproduction and Fertility. Journal of Reproduction and Fertility, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.