Barney, J. (2002). Gaining and sustaining competitive advantage. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Barney, Jay. Gaining and Sustaining Competitive Advantage. Prentice Hall, 2002.
Lua MLA (8ú heag.)Barney, Jay. Gaining and Sustaining Competitive Advantage. Prentice Hall, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.