KOTLER PHILIP. (1993). MARKETING PLACES. FREE PRESS.
Cita Chicago (17th ed.)KOTLER PHILIP. MARKETING PLACES. NEW YORK: FREE PRESS, 1993.
Cita MLA (9th ed.)KOTLER PHILIP. MARKETING PLACES. FREE PRESS, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.