Kotler, Philip.2005. The role played by the broadening of marketing movement in the history of marketing thought. Journal of Public Policy and Marketing24 (Spring): 114—16.
2.
Kotler, Philip, and S. Levy.1969. Broadening the concept of marketing . Journal of Marketing33 (January): 10—15.
3.
Wilkie, William, and E. Moore.2003. Scholarly research in marketing: Exploring the “4 eras” of thought development. Journal of Public Policy and Marketing22 (Fall): 116—46.