(2014). Summary: Unstoppable : Review and Analysis of Zook's Book. Business Book Summaries.
Style de citation Chicago (17e éd.)Summary: Unstoppable : Review and Analysis of Zook's Book. Bruxelles: Business Book Summaries, 2014.
Style de citation MLA (8e éd.)Summary: Unstoppable : Review and Analysis of Zook's Book. Business Book Summaries, 2014.
Opozorilo: Ti citati niso vedno 100% točni.