Jay, R. (1998). Profitable direct marketing. London ; Boston: International Thomson Business Press.
Trích dẫn kiểu ChicagoJay, Ros. Profitable Direct Marketing. London ; Boston: International Thomson Business Press, 1998.
ציטוט MLAJay, Ros. Profitable Direct Marketing. London ; Boston: International Thomson Business Press, 1998.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.