World Health Organization & World Health Organization. (2005). Water for life, making it happen. World Health Orgnization.
芝加哥风格引文World Health Organization 与 World Health Organization. Water for Life, Making It Happen. : World Health Orgnization, 2005.
MLA引文World Health Organization 与 World Health Organization. Water for Life, Making It Happen. World Health Orgnization, 2005.
警告：这些引文格式不一定是100％准确.