Lua APA (7ú heag.)
Chambers, R. (1993). Challenging the professionals: Frontiers for rural development. International technology publ..
Lua i Stíl Chicago (17ú heag.)
Chambers, Robert. Challenging the Professionals: Frontiers for Rural Development. London: International technology publ., 1993.
Lua MLA (9ú heag.)
Chambers, Robert. Challenging the Professionals: Frontiers for Rural Development. International technology publ., 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.