APA (7e ed.) Bronvermelding

Catholic Church. Pope (1978-2005 : John Paul II) & John Paul II, P. (1996). The Encyclicals of John Paul II. Our Sunday Visitor.

Chicago (17e ed.) Bronvermelding

Catholic Church. Pope (1978-2005 : John Paul II) en Pope John Paul II. The Encyclicals of John Paul II. Huntington, Ind.: Our Sunday Visitor, 1996.

MLA (8e ed.) Bronvermelding

Catholic Church. Pope (1978-2005 : John Paul II) en Pope John Paul II. The Encyclicals of John Paul II. Our Sunday Visitor, 1996.