APA (7 वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Wells, P., & Halstead, R. (2009). Rectal cancer: Etiology, pathogenesis and treatment. Nova Biomedical Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, Paula Wells, और Regina Halstead. Rectal Cancer: Etiology, Pathogenesis and Treatment. New York: Nova Biomedical Books, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
ebrary, Inc, et al. Rectal Cancer: Etiology, Pathogenesis and Treatment. Nova Biomedical Books, 2009.
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