British Standards Institution. (1972). Methods of measuring the performance of household electrical appliances. British Standards Institution.
Lua i Stíl Chicago (17ú heag.)British Standards Institution. Methods of Measuring the Performance of Household Electrical Appliances. London: British Standards Institution, 1972.
Lua MLA (8ú heag.)British Standards Institution. Methods of Measuring the Performance of Household Electrical Appliances. British Standards Institution, 1972.
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