Dyfyniad APA

Thurman, H. V. (1990). Essentials of oceanography (3rd ed.). Merrill Pub. Co..

Dyfyniad Arddull Chicago

Thurman, Harold V. Essentials of Oceanography. 3rd ed. Columbus, Ohio: Merrill Pub. Co., 1990.

Dyfyniad MLA

Thurman, Harold V. Essentials of Oceanography. 3rd ed. Merrill Pub. Co., 1990.

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