Não informado. (1957). Contributions on zoology. University College of Swansea.
Style de citation Chicago (17e éd.)Não informado. Contributions on Zoology. Swansea, Inglaterra: University College of Swansea, 1957.
Style de citation MLA (8e éd.)Não informado. Contributions on Zoology. University College of Swansea, 1957.
Attention : ces citations peuvent ne pas être correctes à 100%.