World Health Organization, Regional Office for Europe, Becker, W., & Helsing, E. (1991). Food and health data: Their use in nutrition policy-making.
Citazione stile Chigago Style (17a edizione)World Health Organization, Regional Office for Europe, W. Becker, e E. Helsing. Food and Health Data: Their Use in Nutrition Policy-making. 1991.
Citatione MLA (9a ed.)World Health Organization, et al. Food and Health Data: Their Use in Nutrition Policy-making. 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.