APA引文

Drabu, G. J. (1974). G.P.s and Family Planning.

Citação norma Chicago

Drabu, G. J. G.P.s and Family Planning. 1974.

MLA引文

Drabu, G. J. G.P.s and Family Planning. 1974.

警告：這些引文格式不一定是100％准確.