APA-viite (7. p.)
ebrary, Inc, & Coelli, T. (2003). A primer on efficiency measurement for utilities and transport regulators. World Bank.
Chicago-viite (17. p.)
ebrary, Inc, ja Tim Coelli. A Primer on Efficiency Measurement for Utilities and Transport Regulators. Washington, D.C.: World Bank, 2003.
MLA-viite (9. p.)
ebrary, Inc, ja Tim Coelli. A Primer on Efficiency Measurement for Utilities and Transport Regulators. World Bank, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.