APA-referens (7:e uppl.)

Ore, Ø. (1967). Invitation to number theory. Mathematical Association of America.

Chicago-referens (17:e uppl.)

Ore, Øystein. Invitation to Number Theory. Washington, D.C.: Mathematical Association of America, 1967.

MLA-referens (9:e uppl.)

Ore, Øystein. Invitation to Number Theory. Mathematical Association of America, 1967.