APA (7 वां संस्करण) प्रशस्ति पत्र
Bullard, L. (2004). Healing waters: Missouri's historic mineral springs and spas. University of Missouri Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Bullard, Loring. Healing Waters: Missouri's Historic Mineral Springs and Spas. Columbia: University of Missouri Press, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Bullard, Loring. Healing Waters: Missouri's Historic Mineral Springs and Spas. University of Missouri Press, 2004.
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