Não informado. (1958). Data processor. International Business Machines, Data Processing Division.
Lua i Stíl Chicago (17ú heag.)Não informado. Data Processor. White Plains, NY: International Business Machines, Data Processing Division, 1958.
Lua MLA (8ú heag.)Não informado. Data Processor. International Business Machines, Data Processing Division, 1958.
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