Hughes, A. M. (1991). The complete database marketer: Tapping your customer base to maximize sales and increase profits. Probus Publishing Co.
Citazione stile Chigago Style (17a edizione)Hughes, Arthur M. The Complete Database Marketer: Tapping Your Customer Base to Maximize Sales and Increase Profits. Chicago,Illinois: Probus Publishing Co, 1991.
Citatione MLA (9a ed.)Hughes, Arthur M. The Complete Database Marketer: Tapping Your Customer Base to Maximize Sales and Increase Profits. Probus Publishing Co, 1991.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.