Ritchie, C. Operating Systems: Incorporating Unix and Windows (2nd.).
Chicago-čujuhus (17. p.)Ritchie, Colin. Operating Systems: Incorporating Unix and Windows. 2nd. NewDelhi: BPB Publications, 2006.
MLA-čujuhus (9. p.)Ritchie, Colin. Operating Systems: Incorporating Unix and Windows. 2nd.
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