Mitchell, R. (2004). Jamestown's number power. America: Jamestown.
Trích dẫn kiểu ChicagoMitchell, Robert. Jamestown's Number Power. America: Jamestown, 2004.
MLA引文Mitchell, Robert. Jamestown's Number Power. America: Jamestown, 2004.
警告：這些引文格式不一定是100％准確.