CUNNINGHAM, F., & PENDIT, B. U. (2012). Obstetri Williams 2. EGC.
芝加哥风格引文CUNNINGHAM, F.Gary, 与 Brahm U. PENDIT. Obstetri Williams 2. EGC, 2012.
MLA引文CUNNINGHAM, F.Gary, 与 Brahm U. PENDIT. Obstetri Williams 2. EGC, 2012.
警告：这些引文格式不一定是100％准确.
APA引文