Cita APA (7a ed.)
ebrary, Inc, World Health Organization, & World Plumbing Council. (2006). Health aspects of plumbing. World Health Organization ; World Plumbing Council.
Cita Chicago Style (17a ed.)
ebrary, Inc, World Health Organization, y World Plumbing Council. Health Aspects of Plumbing. Geneva : [S.l.]: World Health Organization ; World Plumbing Council, 2006.
Cita MLA (9a ed.)
ebrary, Inc, et al. Health Aspects of Plumbing. World Health Organization ; World Plumbing Council, 2006.
Precaución: Estas citas no son 100% exactas.