Kotler, Philip. Marketing 4.0 : moving from traditional to digital / Philip Kotler. - Hoboken, N.J. : Wiley, c2017. - 184 p. : ill. ; 21 cm. ISBN: 9781119341208 (hbk.) 1119341205 (hbk.) Subjects--Topical Terms: Marketing.Internet marketing. LC Class. No.: HF5415 / .K683M