Forsyth, P. (2004). Marketing and selling professional services/3e (3rd ed.). Kogan page.
Chicago Edition CitationForsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. New Delhi: Kogan page, 2004.
MLA引文Forsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. Kogan page, 2004.
警告:這些引文格式不一定是100%准確.