1. Anderson, B. A. 1983, Composition of Foods, Pork Products: Raw, Processed, Prepared, United States Department of Agriculture, Human Nutrition Information Service
2. Anderson, B. A. 1992, Composition of Foods, Pork Products: Raw, Processed, Prepared, United States Department of Agriculture, Human Nutrition Information Service
3. Official Methods of Analysis,1990
4. Official Methods and Recommended Practices of the American Oil Chemists' Society,1981
5. Beecher, G. R. 1996, USDA Food Composition Laboratory, Beltsville Human Nutrition Research Center, Beltsville, MD