Dyfyniad APA

Truyillo, A. P., & Thurman, H. V. (2008). Essentials of oceanography (9th ed.). Pearson.

Dyfyniad Arddull Chicago

Truyillo, Alan P., and Harold V. Thurman. Essentials of Oceanography. 9th ed. New Jersey: Pearson, 2008.

Dyfyniad MLA

Truyillo, Alan P., and Harold V. Thurman. Essentials of Oceanography. 9th ed. Pearson, 2008.

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