APA (7e ed.) Bronvermelding

World Helalth Organization. (2007). Global age-friendly cities: A guide. World Health Organization.

Chicago (17e ed.) Bronvermelding

World Helalth Organization. Global Age-friendly Cities: A Guide. Geneva: World Health Organization, 2007.

MLA (8e ed.) Bronvermelding

World Helalth Organization. Global Age-friendly Cities: A Guide. World Health Organization, 2007.

Let op: Deze citaties zijn niet altijd 100% accuraat.