Cita APA (7a ed.)

Hair, J. F., Bush, R. P., & Ortinau, D. J. (2009). Marketing research: In a digital information environment (4th ed.). McGraw-Hill Irwin.

Cita Chicago Style (17a ed.)

Hair, Joseph F., Robert P. Bush, y David J. Ortinau. Marketing Research: In a Digital Information Environment. 4th ed. Boston: McGraw-Hill Irwin, 2009.

Cita MLA (9a ed.)

Hair, Joseph F., et al. Marketing Research: In a Digital Information Environment. 4th ed. McGraw-Hill Irwin, 2009.