Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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