Dyfyniad APA

Barney, J. (2002). Gaining and sustaining competitive advantage. Prentice Hall.

Dyfyniad Arddull Chicago

Barney, Jay. Gaining and Sustaining Competitive Advantage. Prentice Hall, 2002.

Dyfyniad MLA

Barney, Jay. Gaining and Sustaining Competitive Advantage. Prentice Hall, 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.