Worthen, B. R., & White, K. R. (1987). Evaluating educational and social programs. Kluwer-Nijhoff.
Chicago Style (17th ed.) CitationWorthen, Blaine R., and Karl R. White. Evaluating Educational and Social Programs. Boston: Kluwer-Nijhoff, 1987.
MLA (9th ed.) CitationWorthen, Blaine R., and Karl R. White. Evaluating Educational and Social Programs. Kluwer-Nijhoff, 1987.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.