Paul VI, P. (1967). Apostolic constitution on indulgences. United States Catholic Conference.
Lua i Stíl Chicago (17ú heag.)Paul VI, Pope. Apostolic Constitution on Indulgences. Washington, D.C.: United States Catholic Conference, 1967.
Lua MLA (8ú heag.)Paul VI, Pope. Apostolic Constitution on Indulgences. United States Catholic Conference, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.