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Lua i Stíl Chicago (17ú heag.)Long, Norman. Development Sociology: Actor Perspectives. London ; New York: Routledge, 2001.
Lua MLA (8ú heag.)Long, Norman. Development Sociology: Actor Perspectives. Routledge, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.