Παραπομπή APA

Ali, S., & Ripley, S. D. (1972). Handbook of the birds of India and Pakistan together with those of Bangladesh, Nepal, Sikkim, Bhutan and Sri Lanka. Oxford University.

Παραπομπή Chicago Style

Ali, Salim, και S. Dillon Ripley. Handbook of the Birds of India and Pakistan Together with Those of Bangladesh, Nepal, Sikkim, Bhutan and Sri Lanka. Bombay: Oxford University, 1972.

Παραπομπή MLA

Ali, Salim, και S. Dillon Ripley. Handbook of the Birds of India and Pakistan Together with Those of Bangladesh, Nepal, Sikkim, Bhutan and Sri Lanka. Oxford University, 1972.