David, F. R. (2009). Strategic management: Concepts and cases, 2009. Dorling Kindersley.
Lua i Stíl Chicago (17ú heag.)David, Fred R. Strategic Management: Concepts and Cases, 2009. New Delhi: Dorling Kindersley, 2009.
Lua MLA (9ú heag.)David, Fred R. Strategic Management: Concepts and Cases, 2009. Dorling Kindersley, 2009.
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