Kotler, P. (1994). Marketing management: Analysis, planning, implementation and control (8th ed.). Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 8th ed. Englewood Cliffs, N.J: Prentice-Hall, 1994.
Lua MLA (8ú heag.)Kotler, Philip. Marketing Management: Analysis, Planning, Implementation and Control. 8th ed. Prentice-Hall, 1994.
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