Coba jelasin Rujukan dari Indulgensi dalam bahasa melayu dong

Stefanus Tay & Ingrid Tay, Bagaimana Agar Memperoleh Indulgensi? di Katolisitas.org

Stefanus Tay & Ingrid Tay, Doa bagi jiwa- jiwa di Api Penyucian di Katolisitas.org

Indulgence sales in the Middle Ages (Confessional Lutheran perspective)

Pope Paul VI: Apostolic Constitution Indulgentiarum Doctrina whereby the Revision of Sacred Indulgences is Promulgated , 1 January 1967

Code of Canon Law (1983) concerning Indulgences

Enchiridion Indulgentiarum, 4th edition, 1999 (English translation: Manual of Indulgences, published by the United States Conference of Catholic Bishops, )

Enchiridion Indulgentiarum, 3rd edition, 1986

Pope John Paul II: General Audience talk on indulgences, 29 September 1999

Catechism of the Catholic Church: "Indulgences"

Enrico dal Covolo: The Historical Origin of Indulgences