Leo XIII, P. (1903). The truth. Rights of capital and labor. Famous letter of Pope Leo XIII. Chicago.
Chicago-referens (17:e uppl.)Leo XIII, Pope. The Truth. Rights of Capital and Labor. Famous Letter of Pope Leo XIII. Chicago, 1903.
MLA-referens (8:e uppl.)Leo XIII, Pope. The Truth. Rights of Capital and Labor. Famous Letter of Pope Leo XIII. Chicago, 1903.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.