Cita APA

Aditya Bhatnagar. (2010). Principles of environmental studies. Oxford Book Company ;Jaipur.

Chicago Edition Citation

Aditya Bhatnagar. Principles of Environmental Studies. Oxford Book Company ;Jaipur, 2010.

Cita MLA

Aditya Bhatnagar. Principles of Environmental Studies. Oxford Book Company ;Jaipur, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.