J.Light Richard & LIGHT, R. J. [. (1983). Evaluation studies: Review annual vol. 8. Sage Pub.
Lua i Stíl Chicago (17ú heag.)J.Light Richard agus Richard J. [Ed.] LIGHT. Evaluation Studies: Review Annual Vol. 8. London: Sage Pub, 1983.
Lua MLA (9ú heag.)J.Light Richard agus Richard J. [Ed.] LIGHT. Evaluation Studies: Review Annual Vol. 8. Sage Pub, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.