Crawley, M. J. (1992). Natural enemies: The population biology of predators, parasites and diseases. Blackwell Scientific Publications.
Chicago-viite (17. p.)Crawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Oxford: Blackwell Scientific Publications, 1992.
MLA-viite (9. p.)Crawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Blackwell Scientific Publications, 1992.
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