Marek, F. (1969). Philosophy of world revolution. New York: International Publishers.
Trích dẫn kiểu ChicagoMarek, Franz. Philosophy of World Revolution. New York: International Publishers, 1969.
MLA引文Marek, Franz. Philosophy of World Revolution. New York: International Publishers, 1969.
警告:這些引文格式不一定是100%准確.