Dyfyniad APA

Sverdrup, K. A., Duxbury, A., & Duxbury, A. C. (2005). An introduction to the world's oceans (8th ed.). Boston: McGraw-Hill Higher Education.

Dyfyniad Arddull Chicago

Sverdrup, Keith A., Alison Duxbury, và Alyn C. Duxbury. An Introduction to the World's Oceans. 8th ed. Boston: McGraw-Hill Higher Education, 2005.

Dyfyniad MLA

Sverdrup, Keith A., Alison Duxbury, và Alyn C. Duxbury. An Introduction to the World's Oceans. 8th ed. Boston: McGraw-Hill Higher Education, 2005.

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