Dyfyniad APA

Duxbury, A., Duxbury, A. C., & Sverdrup, K. A. (2002). Fundamentals of oceanography (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Duxbury, Alison, Alyn C. Duxbury, and Keith A. Sverdrup. Fundamentals of Oceanography. 4th ed. New York: McGraw-Hill, 2002.

Dyfyniad MLA

Duxbury, Alison, et al. Fundamentals of Oceanography. 4th ed. McGraw-Hill, 2002.

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