Não informado. (1979). Educational Evaluation and Policy Analysis. American Educational Research Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Educational Evaluation and Policy Analysis. Washington: American Educational Research Association, 1979.
Lua MLA (8ú heag.)Não informado. Educational Evaluation and Policy Analysis. American Educational Research Association, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.