Zoological Society of London. (1970). The Biology of the porifera; edited by W. G. Fry.
Citace podle Chicago (17th ed.)Zoological Society of London. The Biology of the Porifera; Edited by W. G. Fry. [London] Published for the Zoological Society of London by Academic Press, 1970.
Citace podle MLA (9th ed.)Zoological Society of London. The Biology of the Porifera; Edited by W. G. Fry. 1970.
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