Keep fit for life: Meeting the nutritional needs of older persons. World Health Organisation.
Chicago-stil citatKeep Fit for Life: Meeting the Nutritional Needs of Older Persons. Geneva: World Health Organisation.
MLA-referensKeep Fit for Life: Meeting the Nutritional Needs of Older Persons. World Health Organisation.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.