APA Citatie

 Worrell, W. A. (2011).  Solid waste engineering, si.  South-Western, Cengage Learning.

Chicago Style citaat

 Worrell, William A.  Solid Waste Engineering, Si.  South-Western, Cengage Learning, 2011.

MLA citatie

 Worrell, William A.  Solid Waste Engineering, Si.  South-Western, Cengage Learning, 2011.

Let op: Deze citaties zijn niet altijd 100% accuraat.