APA-Zitierstil (7. Ausg.)
Willmott, H. M. J. The doors were opened: The remarkable advance of the gospel in Ethiopia. Sudan Interior Mission.
Chicago-Zitierstil (17. Ausg.)
Willmott, Helen Mary Jeffrey. The Doors Were Opened: The Remarkable Advance of the Gospel in Ethiopia. London: Sudan Interior Mission.
MLA-Zitierstil (9. Ausg.)
Willmott, Helen Mary Jeffrey. The Doors Were Opened: The Remarkable Advance of the Gospel in Ethiopia. Sudan Interior Mission.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.