Παραπομπή APA

Masters,(Gilbert M). (1998). Introduction to environmental engineering and science/2nd ed (2nd ed.). Prentice-hall.

Παραπομπή Chicago Style

Masters,(Gilbert M). Introduction to Environmental Engineering and Science/2nd Ed. 2nd ed. New Jersey: Prentice-hall, 1998.

Παραπομπή MLA

Masters,(Gilbert M). Introduction to Environmental Engineering and Science/2nd Ed. 2nd ed. Prentice-hall, 1998.