ebrary, Inc, & Shorney-Darby, H. (2011). Design-build for water and wastewater projects. American Water Works Association.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)ebrary, Inc, ба Holly Shorney-Darby. Design-build for Water and Wastewater Projects. Denver, Colo.: American Water Works Association, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)ebrary, Inc, ба Holly Shorney-Darby. Design-build for Water and Wastewater Projects. American Water Works Association, 2011.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.