Cita APA (7th ed.)
ebrary, Inc. (2001). Consulting services manual: A comprehensive guide to selection of consultants. World Bank.
Cita Chicago (17th ed.)
ebrary, Inc. Consulting Services Manual: A Comprehensive Guide to Selection of Consultants. Washington, DC: World Bank, 2001.
Cita MLA (9th ed.)
ebrary, Inc. Consulting Services Manual: A Comprehensive Guide to Selection of Consultants. World Bank, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.