Walford, C. (1968). Fairs, past, & present: A chapter in the history of commerce. A.M. Kelley.
芝加哥风格引文Walford, Cornelius. Fairs, Past, & Present: A Chapter in the History of Commerce. New York: A.M. Kelley, 1968.
MLA引文Walford, Cornelius. Fairs, Past, & Present: A Chapter in the History of Commerce. A.M. Kelley, 1968.
警告：这些引文格式不一定是100％准确.