Roberts, H. (1979). Community development ; learning and action. University of Toronto Press.
Lua i Stíl Chicago (17ú heag.)Roberts, Hayden. Community Development ; Learning and Action. Toronto ; Buffalo: University of Toronto Press, 1979.
Lua MLA (8ú heag.)Roberts, Hayden. Community Development ; Learning and Action. University of Toronto Press, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.