APA način citiranja (7. izdanje)
Ries, A. (1996). Focus: The future of your company depends on it. HarperBusiness.
Čikaški stil citiranja (17. izdanje)
Ries, Al. Focus: The Future of Your Company Depends on It. New York: HarperBusiness, 1996.
MLA način citiranja (9. izdanje)
Ries, Al. Focus: The Future of Your Company Depends on It. HarperBusiness, 1996.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.