APA (7 ম সংস্করণ) উদ্ধৃতি

Crawley, M. J. (1992). Natural enemies: The population biology of predators, parasites and diseases. Blackwell Scientific Publications.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Crawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Oxford: Blackwell Scientific Publications, 1992.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Crawley, Michael J. Natural Enemies: The Population Biology of Predators, Parasites and Diseases. Blackwell Scientific Publications, 1992.