Dyfyniad APA

Schlenker, E. D., Roth, S. L., & Williams, S. R. (2011). Williams' essentials of nutrition and diet therapy (Tenth edition.). Elsevier/Mosby.

Dyfyniad Arddull Chicago

Schlenker, Eleanor D., Sara Long Roth, and Sue Rodwell Williams. Williams' Essentials of Nutrition and Diet Therapy. Tenth edition. St. Louis, Mo: Elsevier/Mosby, 2011.

Dyfyniad MLA

Schlenker, Eleanor D., et al. Williams' Essentials of Nutrition and Diet Therapy. Tenth edition. Elsevier/Mosby, 2011.

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