Cita APA (7th ed.)

Hair, J. F., Bush, R. P., & Ortinau, D. J. (2003). Marketing research: Within a changing information environment. (Second edition.). McGraw-Hill/Irwin.

Cita Chicago (17th ed.)

Hair, Joseph F., Robert P. Bush, i David J. Ortinau. Marketing Research: Within a Changing Information Environment. Second edition. Boston: McGraw-Hill/Irwin, 2003.

Cita MLA (8th ed.)

Hair, Joseph F., et al. Marketing Research: Within a Changing Information Environment. Second edition. McGraw-Hill/Irwin, 2003.