Halkjaer, J., Olsen, A., Bjerregaard, L., Deharveng, G., Tjønneland, A., Welch, A., . . . Riboli, E. (2009). Intake of total, animal and plant proteins, and their food sources in 10 countries in the European Prospective Investigation into Cancer and Nutrition.
芝加哥风格引文Halkjaer, J., et al. Intake of Total, Animal and Plant Proteins, and Their Food Sources in 10 Countries in the European Prospective Investigation into Cancer and Nutrition. 2009.
MLA引文Halkjaer, J., et al. Intake of Total, Animal and Plant Proteins, and Their Food Sources in 10 Countries in the European Prospective Investigation into Cancer and Nutrition. 2009.
警告：这些引文格式不一定是100％准确.