Tohutoro APA (7th ed.)

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

Tohutoru Kātū Chicago (17th ed.)

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

Tohutoro MLA (9th ed.)

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