Deismireacht APA

Ries, A. (1996). Focus: The future of your company depends on it. Harper Business.

Chicago Edition Citation

Ries, Al. Focus: The Future of Your Company Depends on It. New York: Harper Business, 1996.

Deismireacht MLA

Ries, Al. Focus: The Future of Your Company Depends on It. Harper Business, 1996.

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