David, F. R. (2009). Strategic management: Concepts and cases (12th ed.). Pearson Education ; PHI Learning Pvt. Ltd..
Chicago Style aipamenaDavid, Fred R. Strategic Management: Concepts and Cases. 12th ed. Upper Saddle River, N.J. : New Delhi: Pearson Education ; PHI Learning Pvt. Ltd., 2009.
MLA aipamenaDavid, Fred R. Strategic Management: Concepts and Cases. 12th ed. Pearson Education ; PHI Learning Pvt. Ltd., 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.