Dyfyniad APA

Williams, S. R. (1994). Essentials of nutrition and diet therapy (6th ed.). Mosby.

Dyfyniad Arddull Chicago

Williams, Sue R. Essentials of Nutrition and Diet Therapy. 6th ed. St Louis,Baltimore: Mosby, 1994.

Dyfyniad MLA

Williams, Sue R. Essentials of Nutrition and Diet Therapy. 6th ed. Mosby, 1994.

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