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.
استشهاد بنمط شيكاغوAli, Salim, و 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.
MLA استشهادAli, Salim, و 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.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.