Dyfyniad APA

Sadlier Publishing Company Records. University of Notre Dame Archives.

Dyfyniad Arddull Chicago

Sadlier Publishing Company Records. University of Notre Dame Archives.

Dyfyniad MLA

Sadlier Publishing Company Records. University of Notre Dame Archives.

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