Davies, J. M. (1992). Essential guide to data base marketing. MacGraw hill.
Chicago Edition CitationDavies, John M. Essential Guide to Data Base Marketing. London: MacGraw hill, 1992.
Cita MLADavies, John M. Essential Guide to Data Base Marketing. MacGraw hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.