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Dyfyniad Arddull ChicagoPitts, Robert A. Strategic Management: Building and Sustaining Competitive Advantage. New Delhi.: Cengage Learning, 2006.
Dyfyniad MLAPitts, Robert A. Strategic Management: Building and Sustaining Competitive Advantage. Cengage Learning, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.