Boyd, H. W., & Westfall, R. L. (1960). Evaluation of continuous consumer panels as a source of marketing information. American Marketing Association.
Citación estilo ChicagoBoyd, Harper W., and Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. [Chicago]: American Marketing Association, 1960.
Cita MLABoyd, Harper W., and Ralph L. Westfall. Evaluation of Continuous Consumer Panels as a Source of Marketing Information. American Marketing Association, 1960.
Warning: These citations may not always be 100% accurate.