APA ציטוט

Vesilind, P. A. (1997). Introduction to environmental engineering. Boston, MA: PWS.

Trích dẫn kiểu Chicago

Vesilind, P. Aarne. Introduction to Environmental Engineering. Boston, MA: PWS, 1997.

ציטוט MLA

Vesilind, P. Aarne. Introduction to Environmental Engineering. Boston, MA: PWS, 1997.