Leitch, I., & Billewicz, W. Z. (1963). A scheme for classification of information on nutrition coded for machine retrieval. Commonwealth Agricultural Bureaux.
芝加哥风格引文Leitch, Isabella, 与 Władysław Zbigniew Billewicz. A Scheme for Classification of Information on Nutrition Coded for Machine Retrieval. Farnham Royal, Slough, Bucks,: Commonwealth Agricultural Bureaux, 1963.
MLA引文Leitch, Isabella, 与 Władysław Zbigniew Billewicz. A Scheme for Classification of Information on Nutrition Coded for Machine Retrieval. Commonwealth Agricultural Bureaux, 1963.
警告：这些引文格式不一定是100％准确.