Cita APA (7th ed.)

KOTLER PHILIP. (2011). PRINCIPLES OF MARKETING. Issued.

Cita Chicago (17th ed.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. NEW DELHI: Issued, 2011.

Cita MLA (9th ed.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. Issued, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.