Gaya APA

Schlenker, E, D., Gilbert, J. (2015). Williams' Essentials of Nutrition and Diet Therapy 11 th Edition (11 th Edition). St. Louis: Elsevier Inc.

Gaya MLA

Schlenker, Eleanor, D.., Gilbert, Joyce. "Williams' Essentials of Nutrition and Diet Therapy 11 th Edition". 11 th Edition St. Louis: Elsevier Inc, 2015. Text.