Dyfyniad APA

World Health Organization. (1981). International code of marketing of breast-milk substitutes. World Health Organization ; Obtainable from WHO Publications Centre.

Dyfyniad Arddull Chicago

World Health Organization. International Code of Marketing of Breast-milk Substitutes. Geneva : Albany, N.Y.: World Health Organization ; Obtainable from WHO Publications Centre, 1981.

Dyfyniad MLA

World Health Organization. International Code of Marketing of Breast-milk Substitutes. World Health Organization ; Obtainable from WHO Publications Centre, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.