Dyfyniad APA

. & Ed by Grabowski, R. (1988). Using Autocad: Release 14. Comdex Computer publication.

Dyfyniad Arddull Chicago

. and Ralph Ed by Grabowski. Using Autocad: Release 14. New Delhi: Comdex Computer publication, 1988.

Dyfyniad MLA

. and Ralph Ed by Grabowski. Using Autocad: Release 14. Comdex Computer publication, 1988.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.