Não informado. (2007). Policy evaluation. Policy Studies Organization.
Lua i Stíl Chicago (17ú heag.)Não informado. Policy Evaluation. Urbana, Ill: Policy Studies Organization, 2007.
Lua MLA (8ú heag.)Não informado. Policy Evaluation. Policy Studies Organization, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.