Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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