Cook, H. R. (1959). Missionary life and work: A discussion of principles and practices of missions. Moody.
Chicago-referens (17:e uppl.)Cook, Harold R. Missionary Life and Work: A Discussion of Principles and Practices of Missions. Chicago: Moody, 1959.
MLA-referens (9:e uppl.)Cook, Harold R. Missionary Life and Work: A Discussion of Principles and Practices of Missions. Moody, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.