APA Style

worthen, J, L, F, ,, J, R, S, ,, B, R. (2011). program evaluation ALTERNATIVE APPROACHES AND PRACTICAL GUIDELINES (4). united states f america: pearson education australia.

MLA Style

worthen, Jody, L., Fitzpatrick, ,, James, R., Sanders, ,, Blaine, R.. "program evaluation ALTERNATIVE APPROACHES AND PRACTICAL GUIDELINES". 4 united states f america: pearson education australia, 2011. Buku.