Duxbury, A. C. (2005). An introduction to the world's oceans. Boston: McGraw-Hill Higher Education.
Dyfyniad Arddull ChicagoDuxbury, Alyn C. An Introduction to the World's Oceans. Boston: McGraw-Hill Higher Education, 2005.
Dyfyniad MLADuxbury, Alyn C. An Introduction to the World's Oceans. Boston: McGraw-Hill Higher Education, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.