APA-referens (7:e uppl.)

Ó Fiaich, T. (1974). Columbanus in his own words. Veritas Publications.

Chicago-referens (17:e uppl.)

Ó Fiaich, Tomás. Columbanus in His Own Words. Dublin: Veritas Publications, 1974.

MLA-referens (8:e uppl.)

Ó Fiaich, Tomás. Columbanus in His Own Words. Veritas Publications, 1974.