Dyfyniad APA

Keppel, L. O. (1930). An era of martyrs. Catholic Truth Society.

Dyfyniad Arddull Chicago

Keppel, Leopoldina Olivia. An Era of Martyrs. London: Catholic Truth Society, 1930.

Dyfyniad MLA

Keppel, Leopoldina Olivia. An Era of Martyrs. Catholic Truth Society, 1930.

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