Sverdrup, K. A., Duxbury, A. C., & Duxbury, A. B. (2005). An introduction to the world's oceans (8th ed.). Boston Burr Ridge...: McGraw-Hill Higher Education.
Dyfyniad Arddull ChicagoSverdrup, Keith A., Alyn C. Duxbury, và Alison B. Duxbury. An Introduction to the World's Oceans. 8th ed. Boston Burr Ridge...: McGraw-Hill Higher Education, 2005.
Dyfyniad MLASverdrup, Keith A., Alyn C. Duxbury, và Alison B. Duxbury. An Introduction to the World's Oceans. 8th ed. Boston Burr Ridge...: McGraw-Hill Higher Education, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.