APA Style

Troyan, J, J., Hansen, S, P. (1989). Treatment of microbial contaminants in potable water supplies technologies and costs . Park Ridge, N.J.: Noyes Data Corporation.

MLA Style

Troyan, Jerrold, J., Hansen, Siqurd, P. "Treatment of microbial contaminants in potable water supplies technologies and costs". Park Ridge, N.J.: Noyes Data Corporation, 1989. Buku.