Kotler, P., & Armstrong, G. A. (2014). Principles of marketing (6th edition.). Frenchs Forest, N.S.W. - Pearson.
Cita Chicago (17th ed.)Kotler, Philip, i Gary; Armstrong Armstrong. Principles of Marketing. 6th edition. Australia: Frenchs Forest, N.S.W. - Pearson, 2014.
Cita MLA (9th ed.)Kotler, Philip, i Gary; Armstrong Armstrong. Principles of Marketing. 6th edition. Frenchs Forest, N.S.W. - Pearson, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.