Παραπομπή APA

Perkins, E. (1974). biology of estuaries and coastal waters. Academic Press.

Παραπομπή Chicago Style

Perkins, E.J. Biology of Estuaries and Coastal Waters. London: Academic Press, 1974.

Παραπομπή MLA

Perkins, E.J. Biology of Estuaries and Coastal Waters. Academic Press, 1974.