Baird, S. M. (1998). Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>. 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>. 1998.
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