Crowley, C. (2019). Operating system. McGrawHill Education, Chennai.
Chicago-čujuhus (17. p.)Crowley, Charles. Operating System. McGrawHill Education, Chennai, 2019.
MLA-čujuhus (9. p.)Crowley, Charles. Operating System. McGrawHill Education, Chennai, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.