Dyfyniad APA

Baer, C. J. (1980). Electrical and electronics drawing (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Baer, Charles J. Electrical and Electronics Drawing. 4th ed. New York: McGraw-Hill, 1980.

Dyfyniad MLA

Baer, Charles J. Electrical and Electronics Drawing. 4th ed. McGraw-Hill, 1980.

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