Hoffman, G. W. (1962). Yugoslavia and the new communism. New York: Twentieth century fund.
Trích dẫn kiểu ChicagoHoffman, George W. Yugoslavia and the New Communism. New York: Twentieth century fund, 1962.
MLA引文Hoffman, George W. Yugoslavia and the New Communism. New York: Twentieth century fund, 1962.
警告：這些引文格式不一定是100％准確.