Rupieper, H. J. (1979). Alanson B. Houghton: An American Ambassador in Germany, 1922-1925: Hermann J. Rupieper.
Chicagoスタイル(17版)引用形式Rupieper, Hermann J. Alanson B. Houghton: An American Ambassador in Germany, 1922-1925: Hermann J. Rupieper. [s.l.], 1979.
MLA(8版)引用形式Rupieper, Hermann J. Alanson B. Houghton: An American Ambassador in Germany, 1922-1925: Hermann J. Rupieper. 1979.
警告: この引用は必ずしも正確ではありません.