Gaya APA

Sawyer, C, N., F, I, M, P, L, I, P, G. (2003). Chemistry for environmental engineering and science . New York: .

Gaya MLA

Sawyer, Clair, N., F, I., McCarty,, Perry, L, II., Parkin,, Gene. "Chemistry for environmental engineering and science". New York: , 2003. Text.