Não informado. (1939). Hull bulletins of marine ecology. University College of Hull, Department of Zoology and Oceanography.
Chicago-referens (17:e uppl.)Não informado. Hull Bulletins of Marine Ecology. Hull, Inglaterra: University College of Hull, Department of Zoology and Oceanography, 1939.
MLA-referens (8:e uppl.)Não informado. Hull Bulletins of Marine Ecology. University College of Hull, Department of Zoology and Oceanography, 1939.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.