Liu, D. H. F., & Lipták, B. G. (1997). Environmental engineers' handbook. (2nd ed.). Lewis Publishers.
Cita Chicago (17th ed.)Liu, David H. F., i Béla G. Lipták. Environmental Engineers' Handbook. 2nd ed. Boca Raton, Fla.: Lewis Publishers, 1997.
Cita MLA (9th ed.)Liu, David H. F., i Béla G. Lipták. Environmental Engineers' Handbook. 2nd ed. Lewis Publishers, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.