Cita APA (7th ed.)
Luck, D. J., Taylor, D. A., & Wales, H. G. (1974). Marketing research (4th ed.). Prentice-Hall.
Cita Chicago (17th ed.)
Luck, David Johnston, Donald Arthur Taylor, i Hugh G. Wales. Marketing Research. 4th ed. Englewood Cliffs, N.J.: Prentice-Hall, 1974.
Cita MLA (9th ed.)
Luck, David Johnston, et al. Marketing Research. 4th ed. Prentice-Hall, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.