Brown, S. (2014). The doodle revolution: Unlock the power to think differently. Portfolio Penguin.
Citace podle Chicago (17th ed.)Brown, Sunni. The Doodle Revolution: Unlock the Power to Think Differently. New York: Portfolio Penguin, 2014.
Citace podle MLA (9th ed.)Brown, Sunni. The Doodle Revolution: Unlock the Power to Think Differently. Portfolio Penguin, 2014.
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