Markham, V. (1970). Effective industrial selling: With total marketing communication. George Allen & Unwin.
Chicago Style citaatMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. London: George Allen & Unwin, 1970.
MLA citatieMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. George Allen & Unwin, 1970.
Let op: Deze citaties zijn niet altijd 100% accuraat.