Dyfyniad APA

Leo XIII, P. C. C. P. (1924). Encyclical Letter on the Condition of Labor. Brooklyn.

Dyfyniad Arddull Chicago

Leo XIII, Pope; Catholic Church. Pope. Encyclical Letter on the Condition of Labor. Brooklyn, 1924.

Dyfyniad MLA

Leo XIII, Pope; Catholic Church. Pope. Encyclical Letter on the Condition of Labor. Brooklyn, 1924.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.