Lipgens, W. (1985). Documents on the History of European Integrations: Continental plans for European Union 1939 - 1945. DeGruyter.
Chicago-Zitierstil (17. Ausg.)Lipgens, Walter. Documents on the History of European Integrations: Continental Plans for European Union 1939 - 1945. Berlin; New York: DeGruyter, 1985.
MLA-Zitierstil (8. Ausg.)Lipgens, Walter. Documents on the History of European Integrations: Continental Plans for European Union 1939 - 1945. DeGruyter, 1985.
警告：这些引文格式不一定是100％准确.