Phillips, D. T. (1992). Lincoln on leadership. New York: Warner Books.
Trích dẫn kiểu ChicagoPhillips, Donald T. Lincoln On Leadership. New York: Warner Books, 1992.
MLA引文Phillips, Donald T. Lincoln On Leadership. New York: Warner Books, 1992.
警告：这些引文格式不一定是100％准确.