Cita APA (7th ed.)
Worrell, W. A., & Reinhart, D. R. (2002). Solid Waste Engineering. Thomson/ Brooks/Cole.
Cita Chicago (17th ed.)
Worrell, William A., i Debra R. Reinhart. Solid Waste Engineering. Australia: Thomson/ Brooks/Cole, 2002.
Cita MLA (9th ed.)
Worrell, William A., i Debra R. Reinhart. Solid Waste Engineering. Thomson/ Brooks/Cole, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.