World Health Organization World Plumbing Council. (2006). Health aspects of plumbing. World health Organization.
Chicago Style (17th ed.) CitationWorld Health Organization World Plumbing Council. Health Aspects of Plumbing. Geneva: World health Organization, 2006.
MLA引文World Health Organization World Plumbing Council. Health Aspects of Plumbing. World health Organization, 2006.
警告:這些引文格式不一定是100%准確.