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Lua i Stíl Chicago (17ú heag.)Ostrom, Elinor. Governing the Commons: The Evolution of Institutions for Collective Action. Cambridge ; New York: Cambridge University Press, 1990.
Lua MLA (8ú heag.)Ostrom, Elinor. Governing the Commons: The Evolution of Institutions for Collective Action. Cambridge University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.