APA
David H F Liu B. G. L. P. A. B., . (1997). Environmental engineer's handbook. Lewis Publ, Boca Raton: .
Chicago
David H F Liu Bela G Liptak Paul A Bouis, . 1997. Environmental engineer's handbook. Lewis Publ, Boca Raton: .
Harvard
David H F Liu B. G. L. P. A. B., . (1997). Environmental engineer's handbook. Lewis Publ, Boca Raton: .
MLA
David H F Liu Bela G Liptak Paul A Bouis, . Environmental engineer's handbook. Lewis Publ, Boca Raton: . 1997.