APA-referens (7:e uppl.)

Sansone, G. (1959). Orthogonal functions (Rev. English ed.). Interscience Publishers.

Chicago-referens (17:e uppl.)

Sansone, Giovanni. Orthogonal Functions. Rev. English ed. New York: Interscience Publishers, 1959.

MLA-referens (9:e uppl.)

Sansone, Giovanni. Orthogonal Functions. Rev. English ed. Interscience Publishers, 1959.