Cowell, D. W. (1993). Services marketing (3rd ed.). Butterworth-Heinemann.
Chicago Style (17th ed.) CitationCowell, Donald W. Services Marketing. 3rd ed. Oxford: Butterworth-Heinemann, 1993.
ציטוט MLACowell, Donald W. Services Marketing. 3rd ed. Butterworth-Heinemann, 1993.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.