Hartman, W. J. (1987). Five audiences: Identifying groups in your church. Abingdon.
Dyfyniad Arddull ChicagoHartman, Warren J. Five Audiences: Identifying Groups in Your Church. Nashville: Abingdon, 1987.
Dyfyniad MLAHartman, Warren J. Five Audiences: Identifying Groups in Your Church. Abingdon, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.