(2014). Summary: Your Marketing Sucks : Review and Analysis of Stevens' Book. Business Book Summaries.
Čikaški stil citiranja (17. izdanje)Summary: Your Marketing Sucks : Review and Analysis of Stevens' Book. Bruxelles: Business Book Summaries, 2014.
MLA način citiranja (8. izdanje)Summary: Your Marketing Sucks : Review and Analysis of Stevens' Book. Business Book Summaries, 2014.
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