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-viite (17. p.)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-viite (8. p.)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.
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