Perkins, R. (1972). Leader's guide to christian ethics for mordern man (ed.). John knox press.
Dyfyniad Arddull ChicagoPerkins, Richard. Leader's Guide to Christian Ethics for Mordern Man. ed. Virginia: John knox press, 1972.
Dyfyniad MLAPerkins, Richard. Leader's Guide to Christian Ethics for Mordern Man. ed. John knox press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.