Manley, M. (1997). Usmle step 1 starter kit.
芝加哥风格引文Manley, Michael. Usmle Step 1 Starter Kit. 1997.
MLA引文Manley, Michael. Usmle Step 1 Starter Kit. 1997.
警告：这些引文格式不一定是100％准确.
APA引文
Manley, M. (1997). Usmle step 1 starter kit.
芝加哥风格引文Manley, Michael. Usmle Step 1 Starter Kit. 1997.
MLA引文Manley, Michael. Usmle Step 1 Starter Kit. 1997.