Fichter, J. H. (1960). Are we going secular? Marquette University Press.
Dyfyniad Arddull ChicagoFichter, Joseph Henry. Are We Going Secular? Milwaukee: Marquette University Press, 1960.
Dyfyniad MLAFichter, Joseph Henry. Are We Going Secular? Marquette University Press, 1960.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.