Kotler, P. (1991). Marketing management: Analysis, planning, implementation, and control (7th ed.). Prentice Hall.
Citace podle Chicago (17th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 7th ed. Englewood Cliffs, N.J.: Prentice Hall, 1991.
Citace podle MLA (9th ed.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation, and Control. 7th ed. Prentice Hall, 1991.
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