Walrath, D. A. (1979). Leading churches through change. Abingdon.
Dyfyniad Arddull ChicagoWalrath, Douglas Alan. Leading Churches Through Change. Nashville: Abingdon, 1979.
Dyfyniad MLAWalrath, Douglas Alan. Leading Churches Through Change. Abingdon, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.