एपीए उद्धरण

Reynolds, T. D., & Richards, P. A. (1996). Unit operations and processes in environmental engineering (2nd ed.). Boston: PWS Pub. Co..

शिकागो स्टाइल उद्धरण

Reynolds, Tom D., और Paul A. Richards. Unit Operations and Processes in Environmental Engineering. 2nd ed. Boston: PWS Pub. Co., 1996.

एमएलए उद्धरण

Reynolds, Tom D., और Paul A. Richards. Unit Operations and Processes in Environmental Engineering. 2nd ed. Boston: PWS Pub. Co., 1996.