Cita APA (7th ed.)

Worrell, W. A. (2012). Solid Waste Engineering. Cengage Learning.

Cita Chicago (17th ed.)

Worrell, William A. Solid Waste Engineering. New Delhi: Cengage Learning, 2012.

Cita MLA (9th ed.)

Worrell, William A. Solid Waste Engineering. Cengage Learning, 2012.