Hopler, T., & Hopler, M. (1993). Reaching the World Next Door: How to spread the Gospel in the midst of many cultures. Inter-Varsity.
Chicago-čujuhus (17. p.)Hopler, Thom, juo Marcia Hopler. Reaching the World Next Door: How to Spread the Gospel in the Midst of Many Cultures. Illinois: Inter-Varsity, 1993.
MLA-čujuhus (9. p.)Hopler, Thom, juo Marcia Hopler. Reaching the World Next Door: How to Spread the Gospel in the Midst of Many Cultures. Inter-Varsity, 1993.
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