Plmar, A. (2000). Principles of Marketing. O.U.P.
Cita Chicago (17th ed.)Plmar, Adrian. Principles of Marketing. Oxford]: O.U.P, 2000.
Cita MLA (9th ed.)Plmar, Adrian. Principles of Marketing. O.U.P, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.