Markham, V. (1970). Effective industrial selling: With total marketing communication. George Allen & Unwin.
Čikaški stil citiranjaMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. London: George Allen & Unwin, 1970.
MLA način citiranjaMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. George Allen & Unwin, 1970.
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