Kotler, P. (1988). Marketing management: Analysis, planning, implementation and control (6ª ed.). Prentice Hall.
Cita Chicago (17th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6ª ed. Prentice Hall, 1988.
Cita MLA (9th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 6ª ed. Prentice Hall, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.