KOTLER PHILIP. (1988). MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL (6TH.). PRENTICE -HALL INTERNATIONAL; INC.
Cita Chicago (17th ed.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL. 6TH. ENGLEWOOD: PRENTICE -HALL INTERNATIONAL; INC, 1988.
Cita MLA (9th ed.)KOTLER PHILIP. MARKETING MANAGEMENT: ANALYSIS; PLANNING; IMPLEMENTATION AND CONTROL. 6TH. PRENTICE -HALL INTERNATIONAL; INC, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.