Davis, J. R. A. (1972). Principles of oceanography/2nd ed (2nd ed.). Addison Wesley.
Dyfyniad Arddull ChicagoDavis, Jr. Richard A. Principles of Oceanography/2nd Ed. 2nd ed. London: Addison Wesley, 1972.
Dyfyniad MLADavis, Jr. Richard A. Principles of Oceanography/2nd Ed. 2nd ed. Addison Wesley, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.