Herman, J. L. (1987). Evaluator's Handbook. Center for the Study of Evaluation University of California.
Cita Chicago (17th ed.)Herman, Joan L. Evaluator's Handbook. Los Angeles: Center for the Study of Evaluation University of California, 1987.
Cita MLA (9th ed.)Herman, Joan L. Evaluator's Handbook. Center for the Study of Evaluation University of California, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.