Preston, R. (1991). American Steel: Hot Metal Men and the Resurrection of the Rust Belt. New York: Prentice Hall Press.
Trích dẫn kiểu ChicagoPreston, Richard. American Steel: Hot Metal Men and the Resurrection of the Rust Belt. New York: Prentice Hall Press, 1991.
MLA引文Preston, Richard. American Steel: Hot Metal Men and the Resurrection of the Rust Belt. New York: Prentice Hall Press, 1991.
警告:這些引文格式不一定是100%准確.