Markham, V. (1970). Effective industrial selling: With total marketing communication. George Allen & Unwin.
Dyfyniad Arddull ChicagoMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. London: George Allen & Unwin, 1970.
Dyfyniad MLAMarkham, Vic. Effective Industrial Selling: With Total Marketing Communication. George Allen & Unwin, 1970.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.