Wentz, W. B. (1972). Marketing research: Management and methods. Happer & Row.
Chicago Edition CitationWentz, Walter B. Marketing Research: Management and Methods. New York: Happer & Row, 1972.
Cita MLAWentz, Walter B. Marketing Research: Management and Methods. Happer & Row, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.