Sommerville, I. (2019). Software Engineering (9th.). Pearson.
Chicago-čujuhus (17. p.)Sommerville, Ian. Software Engineering. 9th. New Delhi: Pearson, 2019.
MLA-čujuhus (9. p.)Sommerville, Ian. Software Engineering. 9th. Pearson, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.