Kopyś, T. (2012). The policy of John Paul II towards the churches behind the Iron Curtain in the second half of the 20th century. The Pontifical University of John Paul II in Krakow.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kopyś, Tadeusz. The Policy of John Paul II Towards the Churches Behind the Iron Curtain in the Second Half of the 20th Century. The Pontifical University of John Paul II in Krakow, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Kopyś, Tadeusz. The Policy of John Paul II Towards the Churches Behind the Iron Curtain in the Second Half of the 20th Century. The Pontifical University of John Paul II in Krakow, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.