O'Malley, J. W. (1993). The first Jesuits. Harvard University Press.
Dyfyniad Arddull ChicagoO'Malley, John W. The First Jesuits. Cambridge, Mass.: Harvard University Press, 1993.
Dyfyniad MLAO'Malley, John W. The First Jesuits. Harvard University Press, 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.