Siegfried, R. (2005). "Missionaries more and more": The history of the China mission of the Adorers of the Blood of the Christ, 1933-1945. AuthorHouse.
Chicago-referens (17:e uppl.)Siegfried, Regina. "Missionaries More and More": The History of the China Mission of the Adorers of the Blood of the Christ, 1933-1945. Bloomington, Ind.: AuthorHouse, 2005.
MLA-referens (8:e uppl.)Siegfried, Regina. "Missionaries More and More": The History of the China Mission of the Adorers of the Blood of the Christ, 1933-1945. AuthorHouse, 2005.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.