APA引文

Sharma, D. (2013). Basics of environmental science. Advance Lenarner Press.

Chicago Edition Citation

Sharma, D.K. Basics of Environmental Science. New Delhi: Advance Lenarner Press, 2013.

MLA引文

Sharma, D.K. Basics of Environmental Science. Advance Lenarner Press, 2013.

警告：這些引文格式不一定是100％准確.