Dyfyniad APA

Payne, W. A., & Hahn, D. B. (2002). Understanding your health (7th ed.). Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Payne, Wayne A., và Dale B. Hahn. Understanding Your Health. 7th ed. Boston: McGraw-Hill, 2002.

Dyfyniad MLA

Payne, Wayne A., và Dale B. Hahn. Understanding Your Health. 7th ed. Boston: McGraw-Hill, 2002.

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