Gladwell, M. (2001). Tipping Point: How Little things can make a Big difference (NA.). ABACUS.
Chicago-čujuhus (17. p.)Gladwell, Malcolm. Tipping Point: How Little Things Can Make a Big Difference. NA. London: ABACUS, 2001.
MLA-čujuhus (9. p.)Gladwell, Malcolm. Tipping Point: How Little Things Can Make a Big Difference. NA. ABACUS, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.