Microsoft Corporation. (1988). Microsof COBOL optimizing complier version 3.0. BPB.
Chicago-čujuhus (17. p.)Microsoft Corporation. Microsof COBOL Optimizing Complier Version 3.0. New Delhi: BPB, 1988.
MLA-čujuhus (9. p.)Microsoft Corporation. Microsof COBOL Optimizing Complier Version 3.0. BPB, 1988.
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