APA
Ali S., . (2001). Handbook of the Birds of India and Pakistan. : .
Chicago
Ali Sálim, . 2001. Handbook of the Birds of India and Pakistan. : .
Harvard
Ali S., . (2001). Handbook of the Birds of India and Pakistan. : .
MLA
Ali Sálim, . Handbook of the Birds of India and Pakistan. : . 2001.