APA-čujuhus (7. p.)

Train, W. (1997). PC upgrading and maintenance. BPB.

Chicago-čujuhus (17. p.)

Train, Will. PC Upgrading and Maintenance. New delhi: BPB, 1997.

MLA-čujuhus (9. p.)

Train, Will. PC Upgrading and Maintenance. BPB, 1997.

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