GUBA, E. G. (1981). Effective Evaluation. Jossey Bass Classic.
Chicagoスタイル(17版)引用形式GUBA, Egon G. Effective Evaluation. Jossey Bass Classic, 1981.
MLA(8版)引用形式GUBA, Egon G. Effective Evaluation. Jossey Bass Classic, 1981.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式