World Health Organization, Regional Office for Europe, Becker, W., & Helsing, E. (1991). Food and health data: Their use in nutrition policy-making.
Chicago-viite (17. p.)World Health Organization, Regional Office for Europe, W. Becker, ja E. Helsing. Food and Health Data: Their Use in Nutrition Policy-making. 1991.
MLA-viite (9. p.)World Health Organization, et al. Food and Health Data: Their Use in Nutrition Policy-making. 1991.
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