एपीए उद्धरण

Ball, B., & Duff, H. (2003). Red Hat linux 9 unleashed. Pearson Education.

शिकागो स्टाइल उद्धरण

Ball, Bill, और Hoyt Duff. Red Hat Linux 9 Unleashed. New Delhi: Pearson Education, 2003.

एमएलए उद्धरण

Ball, Bill, और Hoyt Duff. Red Hat Linux 9 Unleashed. Pearson Education, 2003.