Dyfyniad APA

Parmley, R. O. (1977). Standard handbook of fastening and joining. McGraw - Hill.

Dyfyniad Arddull Chicago

Parmley, Robert O. Standard Handbook of Fastening and Joining. New York: McGraw - Hill, 1977.

Dyfyniad MLA

Parmley, Robert O. Standard Handbook of Fastening and Joining. McGraw - Hill, 1977.

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