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Lua i Stíl Chicago (17ú heag.)Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. New York: Plume, 1992.
Lua MLA (9ú heag.)Drucker, Peter Ferdinand. Managing for the Future: The 1990s and Beyond. Plume, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.