Heymann, F. G. (1966). Poland and Czecholovakia. New Jersey: Prentice-Hall.
Trích dẫn kiểu ChicagoHeymann, Frederick G. Poland and Czecholovakia. New Jersey: Prentice-Hall, 1966.
MLA引文Heymann, Frederick G. Poland and Czecholovakia. New Jersey: Prentice-Hall, 1966.
警告：這些引文格式不一定是100％准確.