Gladwell, M. (2013). David and Goliath: Underdogs, misfits, and the art of battling giants (First edition.). Little, Brown and Company.
Chicago-viite (17. p.)Gladwell, Malcolm. David and Goliath: Underdogs, Misfits, and the Art of Battling Giants. First edition. New York: Little, Brown and Company, 2013.
MLA-viite (9. p.)Gladwell, Malcolm. David and Goliath: Underdogs, Misfits, and the Art of Battling Giants. First edition. Little, Brown and Company, 2013.
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