APA-čujuhus (7. p.)
Walia, E. (2017). Operating system concepts (2nd ed.). Khanna Book Publishing Co.
Chicago-čujuhus (17. p.)
Walia, Ekta. Operating System Concepts. 2nd ed. New Delhi: Khanna Book Publishing Co, 2017.
MLA-čujuhus (9. p.)
Walia, Ekta. Operating System Concepts. 2nd ed. Khanna Book Publishing Co, 2017.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.