Wagner, C. P. (1971). Frontiers in missionary strategy. Moody Press.
Dyfyniad Arddull ChicagoWagner, C. Peter. Frontiers in Missionary Strategy. Chicago: Moody Press, 1971.
Dyfyniad MLAWagner, C. Peter. Frontiers in Missionary Strategy. Moody Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.