Hartree, D. R. (1958). Numerical analysis (2nd.). Oxford University press.
Chicago-čujuhus (17. p.)Hartree, Douglas R. Numerical Analysis. 2nd. Great Britain: Oxford University press, 1958.
MLA-čujuhus (9. p.)Hartree, Douglas R. Numerical Analysis. 2nd. Oxford University press, 1958.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.