APA (7th ed.) Zitazioa
Gladwell, M. The Tipping Point: How Little Things Can Make a Big Difference. Back Bay Books.
Chicago Style (17th ed.) Zitazioa
Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Nueva York, EUA: Back Bay Books.
MLA (9th ed.) Zitazioa
Gladwell, Malcolm. The Tipping Point: How Little Things Can Make a Big Difference. Back Bay Books.
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