APA-referens

Holdich, D. M. (1988). Fresh water crayfish: Biology, Management and exploitation.

Chicago-stil citat

Holdich, D M. Fresh Water Crayfish: Biology, Management and Exploitation. Croom Helm, London, 1988.

MLA-referens

Holdich, D M. Fresh Water Crayfish: Biology, Management and Exploitation. 1988.

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