APA引文

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引文

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

警告：这些引文格式不一定是100％准确.