Williams, P. T. (1998). Waste treatment and disposal. Wiley.
Cita Chicago (17th ed.)Williams, Paul T. Waste Treatment and Disposal. Chichester, England: Wiley, 1998.
Cita MLA (9th ed.)Williams, Paul T. Waste Treatment and Disposal. Wiley, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.