Não informado. (1939). Hull bulletins of marine ecology. University College of Hull, Department of Zoology and Oceanography.
Lua i Stíl Chicago (17ú heag.)Não informado. Hull Bulletins of Marine Ecology. Hull, Inglaterra: University College of Hull, Department of Zoology and Oceanography, 1939.
Lua MLA (8ú heag.)Não informado. Hull Bulletins of Marine Ecology. University College of Hull, Department of Zoology and Oceanography, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.