Cumming, J. C. (1955). New sales promotion in textile industry. Fairchild.
Čikaški stil citiranjaCumming, James C. New Sales Promotion in Textile Industry. New York: Fairchild, 1955.
MLA način citiranjaCumming, James C. New Sales Promotion in Textile Industry. Fairchild, 1955.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.