Engstrom, T. W. (1978). What in the world is God doing?: The new face of missions. Word Books Publisher.
Цитирование в стиле Чикаго (17-е изд.)Engstrom, Ted W. What in the World Is God Doing?: The New Face of Missions. Waco, Tex: Word Books Publisher, 1978.
Цитирование MLA (8-е изд.)Engstrom, Ted W. What in the World Is God Doing?: The New Face of Missions. Word Books Publisher, 1978.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.