Cita APA (7th ed.)

KOTLER PHILIP. (1999). PRINCIPLES OF MARKETING (2ND.). PRENTICE -HALL INTERNATIONAL, INC.

Cita Chicago (17th ed.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. 2ND. LONDNN: PRENTICE -HALL INTERNATIONAL, INC, 1999.

Cita MLA (9th ed.)

KOTLER PHILIP. PRINCIPLES OF MARKETING. 2ND. PRENTICE -HALL INTERNATIONAL, INC, 1999.