Roeder, W. S. (1954). Dictionary of European history. New York: Philosophical Library.
Trích dẫn kiểu ChicagoRoeder, William S. Dictionary of European History. New York: Philosophical Library, 1954.
MLA引文Roeder, William S. Dictionary of European History. New York: Philosophical Library, 1954.
警告：这些引文格式不一定是100％准确.