Gaya APA

DIN, . (1993). DIN Handbook 404 (English edition). Iron And Steel: Quality Standards 4. Mechanical Engineering and toolmaking (1). Berlin: Beuth Verlag GMBH.

Gaya MLA

DIN, . "DIN Handbook 404 (English edition). Iron And Steel: Quality Standards 4. Mechanical Engineering and toolmaking". 1 Berlin: Beuth Verlag GMBH, 1993. Printed.