Flesch, R. (1949). The art of readable writing. New York: Harper and Row.
Trích dẫn kiểu ChicagoFlesch, Rudolf. The Art of Readable Writing. New York: Harper and Row, 1949.
MLA引文Flesch, Rudolf. The Art of Readable Writing. New York: Harper and Row, 1949.
警告：这些引文格式不一定是100％准确.