Wright, P. L., Kroll, M. J., & Parnell, J. A. (1998). Strategic management: Concepts (fourth edition.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Wright, Peter L., Mark J. Kroll, agus John A. Parnell. Strategic Management: Concepts. fourth edition. Upper Saddle River, NJ: Prentice Hall, 1998.
Lua MLA (8ú heag.)Wright, Peter L., et al. Strategic Management: Concepts. fourth edition. Prentice Hall, 1998.
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