APA Edition Citation

Khanna,DR, & Khanna, D. R. (2013). Environmental technology. Daya&Astral.

Chicago Edition Citation

Khanna,DR, and Dev Raj Khanna. Environmental Technology. Newdelhi: Daya&Astral, 2013.

MLA Edition Citation

Khanna,DR, and Dev Raj Khanna. Environmental Technology. Daya&Astral, 2013.

Warning: These citations may not always be 100% accurate.