Παραπομπή APA

Williams, J., & Michael E. (1979). Introduction to marine pollution control. John wiley.

Παραπομπή Chicago Style

Williams, Jerome, και Michael E. Introduction to Marine Pollution Control. New york: John wiley, 1979.

Παραπομπή MLA

Williams, Jerome, και Michael E. Introduction to Marine Pollution Control. John wiley, 1979.