Ulanov, A., & Ulanov, B. (1982). Primary speech: A psychology of prayer. John Knox.
Dyfyniad Arddull ChicagoUlanov, Ann, and Barry Ulanov. Primary Speech: A Psychology of Prayer. Atlanta: John Knox, 1982.
Dyfyniad MLAUlanov, Ann, and Barry Ulanov. Primary Speech: A Psychology of Prayer. John Knox, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.