Droege, G. (1972). German Economic and Social History. Verlag Ullstein.
シカゴスタイル引用形Droege, Georg. German Economic and Social History. Frankfurt: Verlag Ullstein, 1972.
MLA引用形式Droege, Georg. German Economic and Social History. Verlag Ullstein, 1972.
警告: この引用は必ずしも正確ではありません.