Cita APA (7th ed.)
Kotler. Principles of Marketing 19/e. Pearson Education.
Cita Chicago (17th ed.)
Kotler. Principles of Marketing 19/e. Pearson Education.
Cita MLA (9th ed.)
Kotler. Principles of Marketing 19/e. Pearson Education.
Atenció: Aquestes cites poden no estar 100% correctes.