GRILLO JOHN P. (1983). DATA AND FILE MANAGEMENT FOR THE IBM PERSONAL COMPUTER. W.C.BROWN CO.
Lua i Stíl Chicago (17ú heag.)GRILLO JOHN P. DATA AND FILE MANAGEMENT FOR THE IBM PERSONAL COMPUTER. IOWA: W.C.BROWN CO, 1983.
Lua MLA (9ú heag.)GRILLO JOHN P. DATA AND FILE MANAGEMENT FOR THE IBM PERSONAL COMPUTER. W.C.BROWN CO, 1983.
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