Collis, D. J. (1998). Corporate Strategy A Resource-based Approach David J. Collis, Cynthia A. Montgomery. McGraw-Hill.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollis, David J. Corporate Strategy A Resource-based Approach David J. Collis, Cynthia A. Montgomery. McGraw-Hill, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCollis, David J. Corporate Strategy A Resource-based Approach David J. Collis, Cynthia A. Montgomery. McGraw-Hill, 1998.
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