Lua APA (7ú heag.)
Mertens, D. M., & Wilson, A. T. (2012). Program evaluation theory and practice: A comprehensive guide. Guilford Press.
Lua i Stíl Chicago (17ú heag.)
Mertens, Donna M., agus Amy T. Wilson. Program Evaluation Theory and Practice: A Comprehensive Guide. New York, N.Y.: Guilford Press, 2012.
Lua MLA (9ú heag.)
Mertens, Donna M., agus Amy T. Wilson. Program Evaluation Theory and Practice: A Comprehensive Guide. Guilford Press, 2012.
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