DiFonzo, Nicholas. The watercooler effect : a psychologist explores the extraordinary power of rumors / Nicholas DiFonzo. - New York : Avery, c2008. - 291 p. ; 24 cm. ISBN: 9781583333259 1583333258 LCCN: 2008023645 LC Class. No.: HM1241 .D55 2008 / .D55 2008 Dewey Class. No.: 302.2/4