एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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