Cita APA

Dutta, A., Dutta, S., & Pandey, P. N. (2005). Environmental issues and challenges.

Chicago Edition Citation

Dutta, Abhijit, Sunita Dutta, i P N. Pandey. Environmental Issues and Challenges. Newdelhi, A P H Publishing, 2005.

Cita MLA

Dutta, Abhijit, et al. Environmental Issues and Challenges. 2005.