Wright, D. H. (1979). Co-operatives and community: The theory and practice of producer co-operatives. Bedford Square Press of the National Council of Social Service.
Lua i Stíl Chicago (17ú heag.)Wright, David H. Co-operatives and Community: The Theory and Practice of Producer Co-operatives. London: Bedford Square Press of the National Council of Social Service, 1979.
Lua MLA (8ú heag.)Wright, David H. Co-operatives and Community: The Theory and Practice of Producer Co-operatives. Bedford Square Press of the National Council of Social Service, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.