Crawley, M. J. (1992). Natural enemies: The population biology of predators, parasites and diseases. Blackwell Scientific Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCrawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Oxford: Blackwell Scientific Publications, 1992.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCrawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Blackwell Scientific Publications, 1992.
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