Cita APA

Diwan Paras. (1987). Environment protection. Deep & Deep publications PVT.LTD.

Chicago Edition Citation

Diwan Paras. Environment Protection. New Delhi: Deep & Deep publications PVT.LTD, 1987.

Cita MLA

Diwan Paras. Environment Protection. Deep & Deep publications PVT.LTD, 1987.