John Paul II, P. (1979). Pilgrim to Poland. St. Paul Editions.
Lua i Stíl Chicago (17ú heag.)John Paul II, Pope. Pilgrim to Poland. Boston: St. Paul Editions, 1979.
Lua MLA (8ú heag.)John Paul II, Pope. Pilgrim to Poland. St. Paul Editions, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.