Hannah McNamara. (2008). Niche Marketing for coaches. Viva Books.
Chicago Edition CitationHannah McNamara. Niche Marketing for Coaches. New Delhi: Viva Books, 2008.
ציטוט MLAHannah McNamara. Niche Marketing for Coaches. Viva Books, 2008.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.