APA ציטוט

Nehra, S., & Trivedi, P. C. (2007). Pollution management.

Chicago Edition Citation

Nehra, Sampat, and P C. Trivedi. Pollution Management. Jaipur, Pointer Publishers, 2007.

ציטוט MLA

Nehra, Sampat, and P C. Trivedi. Pollution Management. 2007.