APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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