Flesch, R. F. (1960). How to write, speak and think more effectively. New York: New American Library.
Trích dẫn kiểu ChicagoFlesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.
MLA引文Flesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.
警告：這些引文格式不一定是100％准確.