Barber, J. (2000). Presidents (1st American ed.). Dorling Kindersley Pub..
芝加哥风格引文Barber, James. Presidents. 1st American ed. New York: Dorling Kindersley Pub., 2000.
MLA引文Barber, James. Presidents. 1st American ed. Dorling Kindersley Pub., 2000.
警告：这些引文格式不一定是100％准确.