Kotler, Philip. Marketing management : analysis, planning, and control / Philip Kotler. - 3d ed. - Englewood Cliffs, N.J. : Prentice-Hall, c1976. - xi, 529 p. : ill. ; 25 cm. ISBN: 0135579597 LCCN: 75020278 LC Class. No.: HF5415.13 .K64 1976 / .K64 1976 Dewey Class. No.: 658.8