Axenfeld, K. (1919). Germany's Battle for the freedom of the christian missions. The German Evangelical Mission Aid Society.
Citazione stile Chigago Style (17a edizione)Axenfeld, Karl. Germany's Battle for the Freedom of the Christian Missions. Berlin-Steglitz: The German Evangelical Mission Aid Society, 1919.
Citatione MLA (9a ed.)Axenfeld, Karl. Germany's Battle for the Freedom of the Christian Missions. The German Evangelical Mission Aid Society, 1919.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.