APA Format

35921; World Plumbing Council. (2006). Health aspects of plumbing. Switzerland : World Health Organization

MLA Format

35921; World Plumbing Council. Health aspects of plumbing. Switzerland : World Health Organization, 2006

Chicago Format

35921; World Plumbing Council. Health aspects of plumbing. Switzerland : World Health Organization, 2006

Australian/Harvard Format

35921; World Plumbing Council. 2006. Health aspects of plumbing. World Health Organization Switzerland