Cita APA (7th ed.)
Worrell, W. A., Vesilind, P. A., & Gupta, T. (2012). Solid Waste Engineering (2nd ed.). Cengage.
Cita Chicago (17th ed.)
Worrell, William A., P. Aarne Vesilind, i Tarun Gupta. Solid Waste Engineering. 2nd ed. Noida: Cengage, 2012.
Cita MLA (9th ed.)
Worrell, William A., et al. Solid Waste Engineering. 2nd ed. Cengage, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.