APA-referens

Dougherty, E. C. (1963). Lower metazoa: :Comparative biology and phylogeny. University press.

Chicago-stil citat

Dougherty, Ellsworth C. Lower Metazoa: :Comparative Biology and Phylogeny. New york: University press, 1963.

MLA-referens

Dougherty, Ellsworth C. Lower Metazoa: :Comparative Biology and Phylogeny. University press, 1963.

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