(2013). Summary: The Presentation Secrets of Steve Jobs : Review and Analysis of Gallo's Book. Business Book Summaries.
Čikaški stil citiranja (17. izdanje)Summary: The Presentation Secrets of Steve Jobs : Review and Analysis of Gallo's Book. Bruxelles: Business Book Summaries, 2013.
MLA način citiranja (8. izdanje)Summary: The Presentation Secrets of Steve Jobs : Review and Analysis of Gallo's Book. Business Book Summaries, 2013.
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