ebrary, Inc, World Health Organization, & World Plumbing Council. (2006). Health aspects of plumbing. World Health Organization ; World Plumbing Council.
Цитирование в стиле Чикаго (17-е изд.)ebrary, Inc, World Health Organization, и World Plumbing Council. Health Aspects of Plumbing. Geneva : [S.l.]: World Health Organization ; World Plumbing Council, 2006.
Цитирование MLA (9-е изд.)ebrary, Inc, et al. Health Aspects of Plumbing. World Health Organization ; World Plumbing Council, 2006.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.