Froberg, C. (1973). Introduction to numerical analysis (2nd.). Addison - Wesley Pub. Co.
Chicago-čujuhus (17. p.)Froberg, C. Introduction to Numerical Analysis. 2nd. London: Addison - Wesley Pub. Co, 1973.
MLA-čujuhus (9. p.)Froberg, C. Introduction to Numerical Analysis. 2nd. Addison - Wesley Pub. Co, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.