APA ציטוט

World Health Organization World Plumbing Council. (2006). Health aspects of plumbing. World health Organization.

Chicago Style (17th ed.) Citation

World Health Organization World Plumbing Council. Health Aspects of Plumbing. Geneva: World health Organization, 2006.

ציטוט MLA

World Health Organization World Plumbing Council. Health Aspects of Plumbing. World health Organization, 2006.