APA引文

CUNNINGHAM, F., & PENDIT, B. U. (2012). Obstetri Williams 2. EGC.

Chicago Style (17th ed.) Citation

CUNNINGHAM, F.Gary, and Brahm U. PENDIT. Obstetri Williams 2. EGC, 2012.

MLA引文

CUNNINGHAM, F.Gary, and Brahm U. PENDIT. Obstetri Williams 2. EGC, 2012.

警告：這些引文格式不一定是100％准確.