Beach, E. F. (1957). Economic models: An exposition. New York: Wiley.
Trích dẫn kiểu ChicagoBeach, Earl Francis. Economic Models: An Exposition. New York: Wiley, 1957.
MLA引文Beach, Earl Francis. Economic Models: An Exposition. New York: Wiley, 1957.
警告：这些引文格式不一定是100％准确.