Cita APA

Deswal,S, & Deswal,A. (2008). A Basic Course in Environmental Studies. Dhanpat Rai & Co.

Chicago Edition Citation

Deswal,S, i Deswal,A. A Basic Course in Environmental Studies. New Delhi: Dhanpat Rai & Co, 2008.

Cita MLA

Deswal,S, i Deswal,A. A Basic Course in Environmental Studies. Dhanpat Rai & Co, 2008.