Goff, H. D. (2018). Ice cream and frozen desserts: Product types. In G. W. Smithers (Ed.), Reference module in food science. Oxford: Elsevier.
Key, T. J., Appleby, P. N., & Rosell, M. S. (2006). Health effects of vegetarian and vegan diets. The Proceedings of the Nutrition Society, 65(1), 35-41. PMid:16441942. http://dx.doi.org/10.1079/PNS2005481
Radnitz, C., Beezhold, B., & Dimatteo, J. (2015). Investigation of lifestyle choices of individuals following a vegan diet for health and ethical reasons. Appetite, 90, 31-36. PMid:25725486. http://dx.doi.org/10.1016/j.appet.2015.02.026
Spencer, E. A., Appleby, P. N., Davey, G. K. E., & Key, T. J. (2003). Diet and body mass index in 38000 epic-Oxford meat-eaters, fish-eaters, vegetarians and vegans. International Journal of Obesity and Related Metabolic Disorders, 27(6), 728-734. PMid:12833118. http://dx.doi.org/10.1038/sj.ijo.0802300