GUBA, E. G. (1989). Fourth Generation Evaluation. Sage Publications.
Chicago Style (17th ed.) CitationGUBA, Egon G. Fourth Generation Evaluation. Sage Publications, 1989.
MLA (8th ed.) CitationGUBA, Egon G. Fourth Generation Evaluation. Sage Publications, 1989.
Warning: These citations may not always be 100% accurate.