Nutritional Conference for Feed Manufacturers, 7th, University of Nottingham, 1973n, Lewis, D., & Swan, H. (1974). Nutrition conference for feed manufacturers: 7. Butterworths.
芝加哥风格引文Nutritional Conference for Feed Manufacturers, 7th, University of Nottingham, 1973n, Dyfed Lewis, 与 Henry Swan. Nutrition Conference for Feed Manufacturers: 7. London: Butterworths, 1974.
MLA引文Nutritional Conference for Feed Manufacturers, 7th, University of Nottingham, 1973n, et al. Nutrition Conference for Feed Manufacturers: 7. Butterworths, 1974.
警告：这些引文格式不一定是100％准确.