APA-čujuhus (7. p.)
Schreck, H. C., & Barrett, D. B. (1987). Unreached peoples: Clarifying the task. MARC.
Chicago-čujuhus (17. p.)
Schreck, Harley Carl, juo David B. Barrett. Unreached Peoples: Clarifying the Task. Birmingham: MARC, 1987.
MLA-čujuhus (9. p.)
Schreck, Harley Carl, juo David B. Barrett. Unreached Peoples: Clarifying the Task. MARC, 1987.
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