Dyfyniad APA

(1997). McGraw-Hill dictionary of engineering. McGraw-Hill.

Dyfyniad Arddull Chicago

McGraw-Hill Dictionary of Engineering. McGraw-Hill, 1997.

Dyfyniad MLA

McGraw-Hill Dictionary of Engineering. McGraw-Hill, 1997.

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