Kinnear, T. C., & Taylor, J. R. (1991). Marketing research: An applied approach (4th ed.). McGraw-Hill.
Cita Chicago (17th ed.)Kinnear, Thomas C., i James R. Taylor. Marketing Research: An Applied Approach. 4th ed. New York: McGraw-Hill, 1991.
Cita MLA (8th ed.)Kinnear, Thomas C., i James R. Taylor. Marketing Research: An Applied Approach. 4th ed. McGraw-Hill, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.