Dyfyniad APA

Sverdrup, K. A., & Armbrust, E. (2008). Introduction to the world's oceans (9th.). McGraw Hill.

Dyfyniad Arddull Chicago

Sverdrup, Keith A., and E.Virginia Armbrust. Introduction to the World's Oceans. 9th. New York: McGraw Hill, 2008.

Dyfyniad MLA

Sverdrup, Keith A., and E.Virginia Armbrust. Introduction to the World's Oceans. 9th. McGraw Hill, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.