KOTLER, P. (1994). Marketing management: Analysis, implementation, andcontrol.-- ed.8. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)KOTLER, Philip. Marketing Management: Analysis, Implementation, Andcontrol.-- Ed.8. London: Prentice Hall, 1994.
Lua MLA (9ú heag.)KOTLER, Philip. Marketing Management: Analysis, Implementation, Andcontrol.-- Ed.8. Prentice Hall, 1994.
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