WHO Study Group & World Health Organization. (1990). Diet, nutrition, and the prevention of chronic diseases: Report. WHO.
Cita Chicago (17th ed.)WHO Study Group i World Health Organization. Diet, Nutrition, and the Prevention of Chronic Diseases: Report. Geneva: WHO, 1990.
Cita MLA (9th ed.)WHO Study Group i World Health Organization. Diet, Nutrition, and the Prevention of Chronic Diseases: Report. WHO, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.