एपीए उद्धरण

Walsh, D., & Valaski, W. R. . [. a. (1997). AutoCAD 13 secrets. Comdex computer publishing.

शिकागो स्टाइल उद्धरण

Walsh, David, और William R [et al.] Valaski. AutoCAD 13 Secrets. New Delhi: Comdex computer publishing, 1997.

एमएलए उद्धरण

Walsh, David, और William R [et al.] Valaski. AutoCAD 13 Secrets. Comdex computer publishing, 1997.