Gladwell Malcolm. (2010). Tipping Point: How Little thing can Make a Big Difference. Little Brown.
Chicago-čujuhus (17. p.)Gladwell Malcolm. Tipping Point: How Little Thing Can Make a Big Difference. Little Brown, 2010.
MLA-čujuhus (9. p.)Gladwell Malcolm. Tipping Point: How Little Thing Can Make a Big Difference. Little Brown, 2010.
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