APA
(1988). Bolts and screws with metric ISO thread and reduced shank. [s.l.]: [s.n.].
Chicago
1988. Bolts and screws with metric ISO thread and reduced shank. [s.l.]: [s.n.].
Harvard
(1988). Bolts and screws with metric ISO thread and reduced shank. [s.l.]: [s.n.].
MLA
Bolts and screws with metric ISO thread and reduced shank. [s.l.]: [s.n.]. 1988.