Collis, D. J. (2005). Corporate strategya resource-based approachDavid J. Collis, Cynthia A. Montgomery. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Collis, David J. Corporate Strategya Resource-based ApproachDavid J. Collis, Cynthia A. Montgomery. McGraw-Hill, 2005.
Lua MLA (8ú heag.)Collis, David J. Corporate Strategya Resource-based ApproachDavid J. Collis, Cynthia A. Montgomery. McGraw-Hill, 2005.
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