Forsyth, P. (2004). Marketing and selling professional services/3e (3rd ed.). Kogan page.
Chicago-stil citatForsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. New Delhi: Kogan page, 2004.
MLA-referensForsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. Kogan page, 2004.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.