Cosgrove, F. M. (1980). Essentials of discipleship. Navpress.
Chicago-čujuhus (17. p.)Cosgrove, Francis M. Essentials of Discipleship. Colorado Springs, Colo.: Navpress, 1980.
MLA-čujuhus (9. p.)Cosgrove, Francis M. Essentials of Discipleship. Navpress, 1980.
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