APA
(1978). Technical drawings; dimensioning and toleracing cones. [s.l.]: [s.n.].
Chicago
1978. Technical drawings; dimensioning and toleracing cones. [s.l.]: [s.n.].
Harvard
(1978). Technical drawings; dimensioning and toleracing cones. [s.l.]: [s.n.].
MLA
Technical drawings; dimensioning and toleracing cones. [s.l.]: [s.n.]. 1978.