Cita APA (7th ed.)
Kerin, R. A., Hartley, S. W., & Rudelius, W. (2004). Marketing: The core. McGraw-Hill/Irwin.
Cita Chicago (17th ed.)
Kerin, Roger A., Steven William Hartley, i William Rudelius. Marketing: The Core. Boston, Mass.: McGraw-Hill/Irwin, 2004.
Cita MLA (9th ed.)
Kerin, Roger A., et al. Marketing: The Core. McGraw-Hill/Irwin, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.