APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (8th ed.) Atıf

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