Spiller, L. D. (2011). Contemporary direct and interactive marketing (2nd ed.). Dorling kindersly.
Chicago Edition CitationSpiller, Lisa D. Contemporary Direct and Interactive Marketing. 2nd ed. New Delhi: Dorling kindersly, 2011.
ציטוט MLASpiller, Lisa D. Contemporary Direct and Interactive Marketing. 2nd ed. Dorling kindersly, 2011.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.