British Standards Institution. (1967). Specification for electrical controls for domestic appliances. British Standards Institution.
Lua i Stíl Chicago (17ú heag.)British Standards Institution. Specification for Electrical Controls for Domestic Appliances. London: British Standards Institution, 1967.
Lua MLA (8ú heag.)British Standards Institution. Specification for Electrical Controls for Domestic Appliances. British Standards Institution, 1967.
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