APA-viite (7. p.)

Hartree, D. R. (1958). Numerical analysis (2nd.). Oxford University press.

Chicago-viite (17. p.)

Hartree, Douglas R. Numerical Analysis. 2nd. Great Britain: Oxford University press, 1958.

MLA-viite (9. p.)

Hartree, Douglas R. Numerical Analysis. 2nd. Oxford University press, 1958.