Παραπομπή APA

Pickard, G. L., & Emery, W. J. (1990). Descriptive physical oceanography (5th ed.). Pergamon Press.

Παραπομπή Chicago Style

Pickard, George L., και William J. Emery. Descriptive Physical Oceanography. 5th ed. Oxford: Pergamon Press, 1990.

Παραπομπή MLA

Pickard, George L., και William J. Emery. Descriptive Physical Oceanography. 5th ed. Pergamon Press, 1990.