Cooper, D. R. (2006). Marketing research. New York: McGraw-Hill/Irwin.
Chicago Style CitationCooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.
Cita MLACooper, Donald R. Marketing Research. New York: McGraw-Hill/Irwin, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.