Sewell, C. (2002). Customers for Life (1st.). Crown Business.
Chicago Style (17th ed.) CitationSewell, Carl. Customers for Life. 1st. Crown Business, 2002.
ציטוט MLASewell, Carl. Customers for Life. 1st. Crown Business, 2002.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.