Karlson David. (2004). Marketing Your Consulting or Professional Services. Viva Books.
Chicago Style (17th ed.) CitationKarlson David. Marketing Your Consulting or Professional Services. New Delhi: Viva Books, 2004.
ציטוט MLAKarlson David. Marketing Your Consulting or Professional Services. Viva Books, 2004.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.