British Standards Institution. (1971). Specification for screw gauge limits and tolerances. British Standards Institution.
Citace podle Chicago (17th ed.)British Standards Institution. Specification for Screw Gauge Limits and Tolerances. London: British Standards Institution, 1971.
Citace podle MLA (8th ed.)British Standards Institution. Specification for Screw Gauge Limits and Tolerances. British Standards Institution, 1971.
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