NEWCOMER, L. R. (1995). Schaum's Outline Series Theory And Problems Of Programming With Modern Structured Cobol Larry R. Newcomer. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)NEWCOMER, Larry R. Schaum's Outline Series Theory And Problems Of Programming With Modern Structured Cobol Larry R. Newcomer. McGraw-Hill, 1995.
Lua MLA (8ú heag.)NEWCOMER, Larry R. Schaum's Outline Series Theory And Problems Of Programming With Modern Structured Cobol Larry R. Newcomer. McGraw-Hill, 1995.
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