John Paul II, P. (199). Encyclical letter Centesimus Annus of the supreme pontiff John Paul II on the hundreth anniversary of Rerum Novarum. Boston.
Chicago-viite (17. p.)John Paul II, Pope. Encyclical Letter Centesimus Annus of the Supreme Pontiff John Paul II on the Hundreth Anniversary of Rerum Novarum. Boston, 199.
MLA-viite (8. p.)John Paul II, Pope. Encyclical Letter Centesimus Annus of the Supreme Pontiff John Paul II on the Hundreth Anniversary of Rerum Novarum. Boston, 199.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.