Dyfyniad APA

Smith O. Oberlin. (1899). Press-Working of Metals. New-York, John Wilev & Sons, 1899.

Dyfyniad Arddull Chicago

Smith O. Oberlin. Press-Working of Metals. New-York, John Wilev & Sons, 1899, 1899.

Dyfyniad MLA

Smith O. Oberlin. Press-Working of Metals. New-York, John Wilev & Sons, 1899, 1899.

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