Kotler, P. (1976). Marketing management: Analysis, planning, implementation and control (3rd ed.). Prentice Hall.
Cita Chicago (17th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 3rd ed. Englewood Cliffs, N.J.: Prentice Hall, 1976.
Cita MLA (9th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 3rd ed. Prentice Hall, 1976.