Chambers, R. (2005). Ideas for development. Earthscan.
Lua i Stíl Chicago (17ú heag.)Chambers, Robert. Ideas for Development. London ; Sterling, VA: Earthscan, 2005.
Lua MLA (8ú heag.)Chambers, Robert. Ideas for Development. Earthscan, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.