David, F. R. (1999). Strategic management: Concepts & cases (7th ed.). Prentice Hall.
Chicago Style (17th ed.) ZitazioaDavid, Fred R. Strategic Management: Concepts & Cases. 7th ed. Upper Saddle River, N.J.: Prentice Hall, 1999.
MLA (9th ed.) ZitazioaDavid, Fred R. Strategic Management: Concepts & Cases. 7th ed. Prentice Hall, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.