Lua APA (7ú heag.)

British Standards Institution. (1969). Specification for feeler gauges. British Standards Institution.

Lua i Stíl Chicago (17ú heag.)

British Standards Institution. Specification for Feeler Gauges. London: British Standards Institution, 1969.

Lua MLA (8ú heag.)

British Standards Institution. Specification for Feeler Gauges. British Standards Institution, 1969.

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