Barney, J. B. (2002). Gaining and sustaining competitive advantageJay B.Barney. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Barney, Jay B. Gaining and Sustaining Competitive AdvantageJay B.Barney. Prentice Hall, 2002.
Lua MLA (8ú heag.)Barney, Jay B. Gaining and Sustaining Competitive AdvantageJay B.Barney. Prentice Hall, 2002.
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