Trích dẫn APA

Flesch, R. F. (1960). How to write, speak and think more effectively. New York: New American Library.

Trích dẫn kiểu Chicago

Flesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.

Trích dẫn MLA

Flesch, Rudolf Franz. How to Write, Speak and Think More Effectively. New York: New American Library, 1960.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.