Cumming, J. C. (1955). New sales promotion in textile industry. Fairchild.
Chicago Edition CitationCumming, James C. New Sales Promotion in Textile Industry. New York: Fairchild, 1955.
Cita MLACumming, James C. New Sales Promotion in Textile Industry. Fairchild, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.