APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.