Não informado. (1950). Wasmann journal of biology. University of San Francisco, Wasmann Biological Society.
Chicago-referens (17:e uppl.)Não informado. Wasmann Journal of Biology. San Francisco, Calif: University of San Francisco, Wasmann Biological Society, 1950.
MLA-referens (8:e uppl.)Não informado. Wasmann Journal of Biology. University of San Francisco, Wasmann Biological Society, 1950.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.