Dyfyniad APA

(1995). Field Engineer's Manual Robert O Parmley. McGraw-Hill.

Dyfyniad Arddull Chicago

Field Engineer's Manual Robert O Parmley. McGraw-Hill, 1995.

Dyfyniad MLA

Field Engineer's Manual Robert O Parmley. McGraw-Hill, 1995.

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