ebrary, Inc, World Health Organization, & World Plumbing Council. (2006). Health aspects of plumbing. World Health Organization ; World Plumbing Council.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, World Health Organization, ба World Plumbing Council. Health Aspects of Plumbing. Geneva : [S.l.]: World Health Organization ; World Plumbing Council, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, et al. Health Aspects of Plumbing. World Health Organization ; World Plumbing Council, 2006.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.