National Physical Laboratory (Great Britain). (1942). Notes on gauge making and measuring. H.M.S.O..
Cita Chicago (17th ed.)National Physical Laboratory (Great Britain). Notes on Gauge Making and Measuring. London: H.M.S.O., 1942.
Cita MLA (8th ed.)National Physical Laboratory (Great Britain). Notes on Gauge Making and Measuring. H.M.S.O., 1942.
Atenció: Aquestes cites poden no estar 100% correctes.