APA引文

Cunningham, F. G. (2006). Obstetricia de Williams.

Chicago Style (17th ed.) Citation

Cunningham, F. Gary. Obstetricia De Williams. 2006.

MLA引文

Cunningham, F. Gary. Obstetricia De Williams. 2006.

警告：這些引文格式不一定是100％准確.