Gaya APA

DIN, . (1992). DIN Handbook 140 (English edition). Fasteners 4: Dimensional Standards for Nuts And Accessories for Bolt/nut assemblies (1). Berlin: Beuth Verlag GMBH.

Gaya MLA

DIN, . "DIN Handbook 140 (English edition). Fasteners 4: Dimensional Standards for Nuts And Accessories for Bolt/nut assemblies". 1 Berlin: Beuth Verlag GMBH, 1992. Printed.