Dyfyniad APA

Goetsch, D. L., & David L. Goetsch; William S. Chalk; John A. Nelson. (2000). Technical drawing. Albany, N.Y: Delmar Publishers.

Dyfyniad Arddull Chicago

Goetsch, David L., và David L. Goetsch; William S. Chalk; John A. Nelson. Technical Drawing. Albany, N.Y: Delmar Publishers, 2000.

Dyfyniad MLA

Goetsch, David L., và David L. Goetsch; William S. Chalk; John A. Nelson. Technical Drawing. Albany, N.Y: Delmar Publishers, 2000.

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