Burns, A. C., & Bush, R. F. (2000). Marketing research (3rd.ed.). Prentice Hall.
Cita Chicago (17th ed.)Burns, Alvin C., i Ronald F. Bush. Marketing Research. 3rd.ed. Upper Saddle River: Prentice Hall, 2000.
Cita MLA (9th ed.)Burns, Alvin C., i Ronald F. Bush. Marketing Research. 3rd.ed. Prentice Hall, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.