Cita APA

Tyagi, A. (2007). UGC (NET/SLET): Environmental Science. Danika Publishing Company.

Chicago Edition Citation

Tyagi, Anil. UGC (NET/SLET): Environmental Science. New Delhi: Danika Publishing Company, 2007.

Cita MLA

Tyagi, Anil. UGC (NET/SLET): Environmental Science. Danika Publishing Company, 2007.