APA Citatie

World Health Organisation. (1989). Health of the elderly World Health organisation. World Health Organisation.

Chicago Style citaat

World Health Organisation. Health of the Elderly World Health Organisation. Geneva: World Health Organisation, 1989.

MLA citatie

World Health Organisation. Health of the Elderly World Health Organisation. World Health Organisation, 1989.

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