World Health Organization. (1981). International code of marketing of breast-milk substitutes. World Health Organization ; Obtainable from WHO Publications Centre.
芝加哥风格引文World Health Organization. International Code of Marketing of Breast-milk Substitutes. Geneva : Albany, N.Y.: World Health Organization ; Obtainable from WHO Publications Centre, 1981.
MLA引文World Health Organization. International Code of Marketing of Breast-milk Substitutes. World Health Organization ; Obtainable from WHO Publications Centre, 1981.
警告：这些引文格式不一定是100％准确.