C W Hinman. (1941). Pressworking of metals. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoC W Hinman. Pressworking of Metals. New York: McGraw-Hill, 1941.
Dyfyniad MLAC W Hinman. Pressworking of Metals. New York: McGraw-Hill, 1941.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.