David, F. R. (2007). Strategic management: Concepts and cases (Eleventh edition.). Pearson Prentice Hall.
Chicago Style aipamenaDavid, Fred R. Strategic Management: Concepts and Cases. Eleventh edition. Upper Saddle River, N.J. ; New Delhi: Pearson Prentice Hall, 2007.
MLA aipamenaDavid, Fred R. Strategic Management: Concepts and Cases. Eleventh edition. Pearson Prentice Hall, 2007.
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