Gaya APA

Davis, M, L., Masten, S, J. (2004). Principles of environmental engineering and science (Ed. 1). United States of America: McGraw-Hill Book.

Gaya MLA

Davis, Mackenzie, L.., Masten, Susan, J.. "Principles of environmental engineering and science". Ed. 1 United States of America: McGraw-Hill Book, 2004. Printed Book.