APA aipamena

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

Chicago Style aipamena

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 aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.