Logan, W. (2013). Logan, William, SJ, Papers. DigitalGeorgetown.
Dyfyniad Arddull ChicagoLogan, William. Logan, William, SJ, Papers. Washington, D.C.: DigitalGeorgetown, 2013.
Dyfyniad MLALogan, William. Logan, William, SJ, Papers. DigitalGeorgetown, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.