APA Citatie

Forsyth, P. (2004). Marketing and selling professional services: Practical approaches to practice development (3rd. ed.). Kogan Page.

Chicago Style citaat

Forsyth, Patrick. Marketing and Selling Professional Services: Practical Approaches to Practice Development. 3rd. ed. London: Kogan Page, 2004.

MLA citatie

Forsyth, Patrick. Marketing and Selling Professional Services: Practical Approaches to Practice Development. 3rd. ed. Kogan Page, 2004.