Stecher, B. M., & Davis, W. A. (1989). How to focus an evaluation (3. print.). Sage.
Chicago Style (17th ed.) CitationStecher, Brian M., and William A. Davis. How to Focus an Evaluation. 3. print. Newbury Park u.a: Sage, 1989.
MLA (9th ed.) CitationStecher, Brian M., and William A. Davis. How to Focus an Evaluation. 3. print. Sage, 1989.
Warning: These citations may not always be 100% accurate.