kotler, Philip. Principles of Marketing / Philip Kotler, Gary Armstrong, Prafulla Y. Agnihotri, Ehsan ul Haque. - New Delhi : Pearson, 2010 - xix, 514 p. : ill. 25 cm. Includes index. ISBN: 9.78813E+12 Subjects--Topical Terms: Marketing National Library of Medicine Call No.: HF 5415 / .K68 2010