Não informado. (1928). Distribution of electricity. W. T. Henley's Telegraph Works.
Lua i Stíl Chicago (17ú heag.)Não informado. Distribution of Electricity. London: W. T. Henley's Telegraph Works, 1928.
Lua MLA (8ú heag.)Não informado. Distribution of Electricity. W. T. Henley's Telegraph Works, 1928.
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