APA-čujuhus (7. p.)
Hopler, T. (1981). A world of difference: Following Christ beyond your cultural walls. InterVarsity.
Chicago-čujuhus (17. p.)
Hopler, Thom. A World of Difference: Following Christ Beyond Your Cultural Walls. Downers Grove: InterVarsity, 1981.
MLA-čujuhus (9. p.)
Hopler, Thom. A World of Difference: Following Christ Beyond Your Cultural Walls. InterVarsity, 1981.
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