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Lua i Stíl Chicago (17ú heag.)OSTROM, Elinor [ed.]. The Delivery of Urban Services Outcames of Changevol.10. Beverly Hill: Sage Pub, 1976.
Lua MLA (9ú heag.)OSTROM, Elinor [ed.]. The Delivery of Urban Services Outcames of Changevol.10. Sage Pub, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.