Dyfyniad APA

Gladwell, M. (2009). The tipping point: How little things can make a big difference. Abacus.

Dyfyniad Arddull Chicago

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. London: Abacus, 2009.

Dyfyniad MLA

Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Abacus, 2009.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.