Brainerd, J. W. 1. (1973). Working with nature; a practical guide. Oxford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrainerd, John W. 1918. Working with Nature; a Practical Guide. New York: Oxford University Press, 1973.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBrainerd, John W. 1918. Working with Nature; a Practical Guide. Oxford University Press, 1973.
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