APA引文
Chouhan,B.S. Environmental studies / Chouhan,B.S: University Science Press.
Chicago Style (17th ed.) Citation
Chouhan,B.S. Environmental Studies / Chouhan,B.S: University Science Press.
MLA引文
Chouhan,B.S. Environmental Studies / Chouhan,B.S: University Science Press.
警告:這些引文格式不一定是100%准確.