Aiken, L. H. K. (1985). Evaluation studies: Review annual. Sage Publications.
Lua i Stíl Chicago (17ú heag.)Aiken, Linda H. Kehrer. Evaluation Studies: Review Annual. London ; New Delhi: Sage Publications, 1985.
Lua MLA (8ú heag.)Aiken, Linda H. Kehrer. Evaluation Studies: Review Annual. Sage Publications, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.