APA引文

World Health Organization. (2000). Healthy ageing development. World Health Organization.

芝加哥风格引文

World Health Organization. Healthy Ageing Development. Geneva: World Health Organization, 2000.

MLA引文

World Health Organization. Healthy Ageing Development. World Health Organization, 2000.

警告:这些引文格式不一定是100%准确.