APA引文

Bhatnagar Aditya. (2010). Principles of environmental studies. Oxford University Press.

Chicago Style (17th ed.) Citation

Bhatnagar Aditya. Principles of Environmental Studies. Delhi: Oxford University Press, 2010.

MLA引文

Bhatnagar Aditya. Principles of Environmental Studies. Oxford University Press, 2010.

警告：這些引文格式不一定是100％准確.