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Lua i Stíl Chicago (17ú heag.)KREITNER, Robert. Management Robert Kreitner. Houghton Mifflin, 1989.
Lua MLA (8ú heag.)KREITNER, Robert. Management Robert Kreitner. Houghton Mifflin, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.