Barney, J. B. (2002). Gaining and sustaining competitive advantageJay B.Barney. Prentice Hall.
Dyfyniad Arddull ChicagoBarney, Jay B. Gaining and Sustaining Competitive AdvantageJay B.Barney. Prentice Hall, 2002.
Dyfyniad MLABarney, Jay B. Gaining and Sustaining Competitive AdvantageJay B.Barney. Prentice Hall, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.