APA引文

Khan,S.H. (1987). Teacher's guide environmental studies. Rakesh press.

Chicago Edition Citation

Khan,S.H. Teacher's Guide Environmental Studies. New delhi: Rakesh press, 1987.

MLA引文

Khan,S.H. Teacher's Guide Environmental Studies. Rakesh press, 1987.

警告：这些引文格式不一定是100％准确.