Paul VI, P. The danger of drug abuse. St. Paul Editions.
Lua i Stíl Chicago (17ú heag.)Paul VI, Pope. The Danger of Drug Abuse. Boston: St. Paul Editions.
Lua MLA (8ú heag.)Paul VI, Pope. The Danger of Drug Abuse. St. Paul Editions.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.