Knapp, E. J., & Rhett, J. (2018). The delightful horror of family birding: Sharing nature with the next generation (First Torrey House Press edition.). Torrey House Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnapp, Eli J., और John Rhett. The Delightful Horror of Family Birding: Sharing Nature with the Next Generation. First Torrey House Press edition. Salt Lake City: Torrey House Press, 2018.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKnapp, Eli J., और John Rhett. The Delightful Horror of Family Birding: Sharing Nature with the Next Generation. First Torrey House Press edition. Torrey House Press, 2018.
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