营养师证参考书籍有很多，以下是一些常见的书籍：

1、《营养学》(Nutrition)-Gary Null

2、《临床营养学》(Clinical Nutrition)-Tamara Harris

3、《膳食疗法与健康》(Dietary Therapy and Health)-Gina Shaw

4、《营养与代谢病学》(Nutrition and Metabolism)-Susan A. Lanham-New

5、《营养与代谢病学实践指南》(Guidelines for Clinical Nutrition and Metabolic Care)-Susan A. Lanham-New

6、《营养与代谢病学基础》(Basic Principles of Nutrition and Metabolism)-Gina Shaw

7、《营养与代谢病学诊断与治疗》(Diagnosis and Treatment of Nutrition and Metabolic Disorders)-Gina Shaw

8、《营养与代谢病学评估与管理》(Assessment and Management of Nutrition and Metabolic Disorders)-Gina Shaw

9、《营养与代谢病学实践手册》(Handbook of Clinical Nutrition and Metabolic Care)-Susan A. Lanham-New

10、《营养与代谢病学案例分析》(Case Studies in Clinical Nutrition and Metabolic Care)-Gina Shaw