Dyfyniad APA

 Stephenson, T. J. (2016).  Human nutrition: Science for healthy living.  McGraw-Hill Education.

Dyfyniad Arddull Chicago

 Stephenson, Tammy J.  Human Nutrition: Science for Healthy Living.  McGraw-Hill Education, 2016.

Dyfyniad MLA

 Stephenson, Tammy J.  Human Nutrition: Science for Healthy Living.  McGraw-Hill Education, 2016.

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