Bicudo, J. E. P. W. Ecological and environmental physiology of birds. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBicudo, J. Eduardo P. W. Ecological and Environmental Physiology of Birds. Oxford University Press.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBicudo, J. Eduardo P. W. Ecological and Environmental Physiology of Birds. Oxford University Press.
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