Newbigin, L. (1995). The open secret: An introduction to the theology of mission. William B. Eerdmans Pub. Co..
Chicago-čujuhus (17. p.)Newbigin, Lesslie. The Open Secret: An Introduction to the Theology of Mission. Grand Rapids: William B. Eerdmans Pub. Co., 1995.
MLA-čujuhus (9. p.)Newbigin, Lesslie. The Open Secret: An Introduction to the Theology of Mission. William B. Eerdmans Pub. Co., 1995.
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