Philip Kotler/Keller Kevin, . (2009). Marketing Management [Kotlar]. : Prentice Hall of India Ltd New Delhi.
Philip Kotler/Keller Kevin, . 2009. Marketing Management [Kotlar]. : Prentice Hall of India Ltd New Delhi.
Philip Kotler/Keller Kevin, . Marketing Management [Kotlar]. : Prentice Hall of India Ltd New Delhi. 2009.
