APA (7e ed.) Bronvermelding

World Health Organization. (2000). Healthy ageing development. World Health Organization.

Chicago (17e ed.) Bronvermelding

World Health Organization. Healthy Ageing Development. Geneva: World Health Organization, 2000.

MLA (8e ed.) Bronvermelding

World Health Organization. Healthy Ageing Development. World Health Organization, 2000.

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