Hummer, H. J. (2005). Politics and power in early medieval Europe: Alsace and the Frankish Realm, 600-1000. Cambridge University Press.
芝加哥风格引文Hummer, Hans J. Politics and Power in Early Medieval Europe: Alsace and the Frankish Realm, 600-1000. Cambridge, UK ; New York: Cambridge University Press, 2005.
MLA引文Hummer, Hans J. Politics and Power in Early Medieval Europe: Alsace and the Frankish Realm, 600-1000. Cambridge University Press, 2005.
警告：这些引文格式不一定是100％准确.