Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.
Čikaški stil citiranja (17. izdanje)Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.
MLA način citiranja (9. izdanje)Seth Godin. Start With Why: How Great Leaders Inspire Everyone to Take Action. Penguin Books.
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