Greener, I., & Greve, B. (2014). Evidence and evaluation in social policy. Wiley-Blackwell.
Lua i Stíl Chicago (17ú heag.)Greener, Ian, agus Bent Greve. Evidence and Evaluation in Social Policy. Malden, Massachusetts: Wiley-Blackwell, 2014.
Lua MLA (9ú heag.)Greener, Ian, agus Bent Greve. Evidence and Evaluation in Social Policy. Wiley-Blackwell, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.