Não informado. (1989). Invertebrate Reproduction & Development. International Science Services.
Chicago-referens (17:e uppl.)Não informado. Invertebrate Reproduction & Development. Rehovot, Israel: International Science Services, 1989.
MLA-referens (8:e uppl.)Não informado. Invertebrate Reproduction & Development. International Science Services, 1989.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.