Barth, K., & Saliers, D. E. (2002). Prayer (50th Anniversary ed.). Westminster John Knox Press.
Dyfyniad Arddull ChicagoBarth, Karl, and Don E. Saliers. Prayer. 50th Anniversary ed. Louisville, KY: Westminster John Knox Press, 2002.
Dyfyniad MLABarth, Karl, and Don E. Saliers. Prayer. 50th Anniversary ed. Westminster John Knox Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.