KOTLER PHILIP. (1994). MARKETING MANAGEMENT: ANALYSIS PLANNING, IMPLEMENTATION AND CONTROL (8TH.). PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS PLANNING, IMPLEMENTATION AND CONTROL. 8TH. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1994.
Lua MLA (9ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS PLANNING, IMPLEMENTATION AND CONTROL. 8TH. PRENTICE -HALL INTERNATIONAL, INC, 1994.
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