Sutherland, W. J., Newton, I., & Green, R. E. (2004). Bird ecology and conservation: A handbook of techniques. Oxford University Press.
शिकागो स्टाइल उद्धरणSutherland, William J., Ian Newton, और Rhys E. Green. Bird Ecology and Conservation: A Handbook of Techniques. Oxford: Oxford University Press, 2004.
एमएलए उद्धरणSutherland, William J., et al. Bird Ecology and Conservation: A Handbook of Techniques. Oxford University Press, 2004.
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