APA (7 वां संस्करण) प्रशस्ति पत्र
Walker, R. L. (2015). Footprints in Aggieland: Remembrances of a veteran fundraiser (First edition.). Texas A&M University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Walker, Robert L. Footprints in Aggieland: Remembrances of a Veteran Fundraiser. First edition. College Station, Texas: Texas A&M University Press, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Walker, Robert L. Footprints in Aggieland: Remembrances of a Veteran Fundraiser. First edition. Texas A&M University Press, 2015.
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