Dyfyniad APA

Bethune, J. D. (1980). Basic electronic and electrical drafting. Prentice-Hall of India.

Dyfyniad Arddull Chicago

Bethune, James D. Basic Electronic and Electrical Drafting. New Jersey: Prentice-Hall of India, 1980.

Dyfyniad MLA

Bethune, James D. Basic Electronic and Electrical Drafting. Prentice-Hall of India, 1980.

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