Dyfyniad APA

BENNETT, A., & SIY, L. J. (1978). Blueprint reading for welders. Delmar pub.

Dyfyniad Arddull Chicago

BENNETT, A.E, and Louis J. SIY. Blueprint Reading for Welders. New York: Delmar pub, 1978.

Dyfyniad MLA

BENNETT, A.E, and Louis J. SIY. Blueprint Reading for Welders. Delmar pub, 1978.

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