APA Citatie

World Health Organization. (2003). State of the world's vaccines and immunization. World Health Organisation.

Chicago Style citaat

World Health Organization. State of the World's Vaccines and Immunization. Geneva: World Health Organisation, 2003.

MLA citatie

World Health Organization. State of the World's Vaccines and Immunization. World Health Organisation, 2003.

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