Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.