Dyfyniad APA
ebrary, Inc, & Singh, J. (2010). Public procurement of energy efficiency services: Lessons from international experience. World Bank.
Dyfyniad Arddull Chicago
ebrary, Inc, and Jas Singh. Public Procurement of Energy Efficiency Services: Lessons from International Experience. Washington, D.C.: World Bank, 2010.
Dyfyniad MLA
ebrary, Inc, and Jas Singh. Public Procurement of Energy Efficiency Services: Lessons from International Experience. World Bank, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.