World Health Organization & World Health Organization. (1985). Guidelines for drinking-water quality (2nd ed.). World Health Organization.
芝加哥风格引文World Health Organization 与 World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. Geneva: World Health Organization, 1985.
MLA引文World Health Organization 与 World Health Organization. Guidelines for Drinking-water Quality. 2nd ed. World Health Organization, 1985.
警告：这些引文格式不一定是100％准确.