Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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

Attenzione: Queste citazioni potrebbero non essere precise al 100%.