(1991). Dvorak's guide to DOS and PC performance / John C. Dvorak, Nick Anis.
Chicago-čujuhus (17. p.)Dvorak's Guide to DOS and PC Performance / John C. Dvorak, Nick Anis. 1991.
MLA-čujuhus (9. p.)Dvorak's Guide to DOS and PC Performance / John C. Dvorak, Nick Anis. 1991.
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