Dyfyniad APA

O'Reilly, B. (1899). A life of Pius IX (24th ed.). P.J. Kenedy, Excelsior Catholic Pub. House.

Dyfyniad Arddull Chicago

O'Reilly, Bernard. A Life of Pius IX. 24th ed. New York: P.J. Kenedy, Excelsior Catholic Pub. House, 1899.

Dyfyniad MLA

O'Reilly, Bernard. A Life of Pius IX. 24th ed. P.J. Kenedy, Excelsior Catholic Pub. House, 1899.

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