Baird, S. M. (1998). Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>.
芝加哥风格引文Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>. 1998.
MLA引文Baird, Stephen M. Usmle Step 1 Review Series Organ Systems Volume Three Gastrointestinal Endocrine Reproductive <i>en</i>. 1998.
警告：这些引文格式不一定是100％准确.