Παραπομπή APA

VanLoon , G. W., & Duffy , S. J. (2000). Environmental chemistry: A global perspective. Oxford university press.

Παραπομπή Chicago Style

VanLoon , Gray W., και Stephen J. Duffy. Environmental Chemistry: A Global Perspective. New York: Oxford university press, 2000.

Παραπομπή MLA

VanLoon , Gray W., και Stephen J. Duffy. Environmental Chemistry: A Global Perspective. Oxford university press, 2000.