World Health Organization; Tufts University. School of Nutrition and Policy. 2002. Keep fit for life: Meeting the nutritional needs of older persons. [1. vyd.]. Geneva: World Health Organization.
Citace podle APA (7th ed.)World Health Organization & Tufts University. School of Nutrition and Policy. (2002). Keep fit for life: Meeting the nutritional needs of older persons ([1. vyd.].). World Health Organization.
Citace podle Chicago (17th ed.)World Health Organization a Tufts University. School of Nutrition and Policy. Keep Fit for Life: Meeting the Nutritional Needs of Older Persons. [1. vyd.]. Geneva: World Health Organization, 2002.
Citace podle MLA (9th ed.)World Health Organization a Tufts University. School of Nutrition and Policy. Keep Fit for Life: Meeting the Nutritional Needs of Older Persons. [1. vyd.]. World Health Organization, 2002.
