Kolah, A. (2013). The art of influencing and selling. Kogan Page.
Chicago Edition CitationKolah, Ardi. The Art of Influencing and Selling. London: Kogan Page, 2013.
ציטוט MLAKolah, Ardi. The Art of Influencing and Selling. Kogan Page, 2013.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.