ROBICHAUD, B., & MUSCAT, E. (1977). Introduction to data processing.-- ed.2. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ROBICHAUD, Beryl, agus Eugene MUSCAT. Introduction to Data Processing.-- Ed.2. New York: McGraw-Hill, 1977.
Lua MLA (9ú heag.)ROBICHAUD, Beryl, agus Eugene MUSCAT. Introduction to Data Processing.-- Ed.2. McGraw-Hill, 1977.
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