Duffy, P. (1994). Business to Business marketing. Vision.
Chicago Style (17th ed.) CitationDuffy, Philip. Business to Business Marketing. Delhi: Vision, 1994.
ציטוט MLADuffy, Philip. Business to Business Marketing. Vision, 1994.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.