APA-čujuhus (7. p.)
Willmott, H. M. J. The doors were opened: The remarkable advance of the gospel in Ethiopia. Sudan Interior Mission.
Chicago-čujuhus (17. p.)
Willmott, Helen Mary Jeffrey. The Doors Were Opened: The Remarkable Advance of the Gospel in Ethiopia. London: Sudan Interior Mission.
MLA-čujuhus (9. p.)
Willmott, Helen Mary Jeffrey. The Doors Were Opened: The Remarkable Advance of the Gospel in Ethiopia. Sudan Interior Mission.
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