KOTLER PHILIP. (1988). MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL (6TH.). PRENTICE -HALL INTERNATIONAL; INC.
Lua i Stíl Chicago (17ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL. 6TH. NEW DELHI: PRENTICE -HALL INTERNATIONAL; INC, 1988.
Lua MLA (9ú heag.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL. 6TH. PRENTICE -HALL INTERNATIONAL; INC, 1988.
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