Gaya APA

Stufflebeam, D, L. (2002). EVALUATION MODELS Viewpoints on Educational and Human Services Evaluation (second edition). New York: Kluwer Academic Publishers.

Gaya MLA

Stufflebeam, Daniel, L.. "EVALUATION MODELS Viewpoints on Educational and Human Services Evaluation". second edition New York: Kluwer Academic Publishers, 2002. MP.