Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.