एपीए उद्धरण

Yen, T. F. (2007). Chemical processes for environmental engineering. Imperial college.

शिकागो स्टाइल उद्धरण

Yen, Teh Fu. Chemical Processes for Environmental Engineering. London: Imperial college, 2007.

एमएलए उद्धरण

Yen, Teh Fu. Chemical Processes for Environmental Engineering. Imperial college, 2007.