Berger, Jonah.
Contagious : why things catch on /
Jonah Berger.
- London ; New York : Simon & Schuster, 2013.
- viii, 244 p. : ill. ; 24 cm.
Includes bibliographical references and index.
9781471111693 1471111695 (pbk)
2013375359
Word-of-mouth advertising.
Viral marketing.