Style de citation APA

WHO(world health organization). (2005). Healthy ageing: Practical pointers on keeping well. WHO.

Style de citation Chicago

WHO(world health organization). Healthy Ageing: Practical Pointers on Keeping Well. Geneva: WHO, 2005.

Style de citation MLA

WHO(world health organization). Healthy Ageing: Practical Pointers on Keeping Well. WHO, 2005.

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