United States. General Accounting Office. Program Evaluation and Methodology Division & Datta, L. (1990). Prospective evaluation methods: The prospective evaluation synthesis. U.S. General Accounting Office, Program Evaluation and Methodology Division.
Chicago Style (17th ed.) CitationUnited States. General Accounting Office. Program Evaluation and Methodology Division and Lois-ellin Datta. Prospective Evaluation Methods: The Prospective Evaluation Synthesis. [Washington, D.C.]: U.S. General Accounting Office, Program Evaluation and Methodology Division, 1990.
MLA (9th ed.) CitationUnited States. General Accounting Office. Program Evaluation and Methodology Division and Lois-ellin Datta. Prospective Evaluation Methods: The Prospective Evaluation Synthesis. U.S. General Accounting Office, Program Evaluation and Methodology Division, 1990.