एपीए उद्धरण

Holtz Herman, & Zahn David. (2004). How to Succeed as an Independent Consultant. American: Wiley.

शिकागो स्टाइल उद्धरण

Holtz Herman, और Zahn David. How to Succeed As an Independent Consultant. American: Wiley, 2004.

एमएलए उद्धरण

Holtz Herman, और Zahn David. How to Succeed As an Independent Consultant. American: Wiley, 2004.