Markham, V. (1970). Effective industrial selling: With total marketing communication. George Allen and unwin.
Styl ChicagoMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. London: George Allen and unwin, 1970.
Citace podle MLAMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. George Allen and unwin, 1970.
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