Needham, J. G. (2019). Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. Cornell University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNeedham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. Ithaca: Cornell University Press, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNeedham, James G. Natural History of the Farm: A Guide to the Practical Study of the Sources of Our Living in Wild Nature. Cornell University Press, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.