APA-referens (7:e uppl.)

Ferreira-Ibarra, D. C. (1981). The canon law collection of the Library of Congress: A general bibliography with selective annotations. Library of Congress.

Chicago-referens (17:e uppl.)

Ferreira-Ibarra, Darío C. The Canon Law Collection of the Library of Congress: A General Bibliography with Selective Annotations. Washington: Library of Congress, 1981.

MLA-referens (8:e uppl.)

Ferreira-Ibarra, Darío C. The Canon Law Collection of the Library of Congress: A General Bibliography with Selective Annotations. Library of Congress, 1981.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.