APA引文
Verhulst, A. E. (2002). The Carolingian economy. Cambridge University Press.
Chicago Style (17th ed.) Citation
Verhulst, Adriaan E. The Carolingian Economy. New York: Cambridge University Press, 2002.
MLA引文
Verhulst, Adriaan E. The Carolingian Economy. Cambridge University Press, 2002.
警告：這些引文格式不一定是100％准確.