Marsden, D., & Oakley, P. (1990). Evaluating social development projects. Oxfam.
Lua i Stíl Chicago (17ú heag.)Marsden, David, agus Peter Oakley. Evaluating Social Development Projects. Oxford: Oxfam, 1990.
Lua MLA (8ú heag.)Marsden, David, agus Peter Oakley. Evaluating Social Development Projects. Oxfam, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.