APA-Zitierstil (7. Ausg.)

(1992). Using theory to improve program and policy evaluations (1. publ.). Greenwood Press.

Chicago-Zitierstil (17. Ausg.)

Using Theory to Improve Program and Policy Evaluations. 1. publ. New York u.a: Greenwood Press, 1992.

MLA-Zitierstil (9. Ausg.)

Using Theory to Improve Program and Policy Evaluations. 1. publ. Greenwood Press, 1992.