Cita APA (7th ed.)

Kerin, R. A., Hartley, S. W., & Rudelius, W. Marketing (9a ed.).

Cita Chicago (17th ed.)

Kerin, Roger A., Steven W. Hartley, i William Rudelius. Marketing. 9a ed.

Cita MLA (8th ed.)

Kerin, Roger A., et al. Marketing. 9a ed.