Dyfyniad APA

Herman, J. L. (1987). Evaluator's Handbook. Center for the Study of Evaluation University of California.

Dyfyniad Arddull Chicago

Herman, Joan L. Evaluator's Handbook. Los Angeles: Center for the Study of Evaluation University of California, 1987.

Dyfyniad MLA

Herman, Joan L. Evaluator's Handbook. Center for the Study of Evaluation University of California, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.