APA (7th ed.) Zitazioa
Duhigg, C. (2016). Smarter Faster Better: The Secrets of Being Productive. Penguin Random House.
Chicago Style (17th ed.) Zitazioa
Duhigg, Charles. Smarter Faster Better: The Secrets of Being Productive. London: Penguin Random House, 2016.
MLA (9th ed.) Zitazioa
Duhigg, Charles. Smarter Faster Better: The Secrets of Being Productive. Penguin Random House, 2016.
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