Dyfyniad APA

Parsons, W. (1938). Early Catholic Publishers of Philadelphia. Washington, D.C..

Dyfyniad Arddull Chicago

Parsons, Wilfrid. Early Catholic Publishers of Philadelphia. Washington, D.C., 1938.

Dyfyniad MLA

Parsons, Wilfrid. Early Catholic Publishers of Philadelphia. Washington, D.C., 1938.

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