Dyfyniad APA

Forsyth, P. (2004). Marketing and selling professional services/3e (3rd ed.). Kogan page.

Dyfyniad Arddull Chicago

Forsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. New Delhi: Kogan page, 2004.

Dyfyniad MLA

Forsyth, Patrick. Marketing and Selling Professional Services/3e. 3rd ed. Kogan page, 2004.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.