ebrary, Inc, Wetzel, D., & Hamerow, T. S. (1997). International politics and German history: The past informs the present. Praeger.
芝加哥风格引文ebrary, Inc, David Wetzel, 与 Theodore S. Hamerow. International Politics and German History: The Past Informs the Present. Westport, Conn.: Praeger, 1997.
MLA引文ebrary, Inc, et al. International Politics and German History: The Past Informs the Present. Praeger, 1997.
警告：这些引文格式不一定是100％准确.