(1970). The Biology of the porifera. London: Published for the Zoological Society of London by Academic Press.
Chicago-tyylinen lähdeviittausThe Biology of the Porifera. London: Published for the Zoological Society of London by Academic Press, 1970.
MLA-viiteThe Biology of the Porifera. London: Published for the Zoological Society of London by Academic Press, 1970.
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