APA (7th ed.) Zitazioa
Flesch, R. F. (1949). The art of readable writing. ([1st ed.].). Harper.
Chicago Style (17th ed.) Zitazioa
Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. New York: Harper, 1949.
MLA (9th ed.) Zitazioa
Flesch, Rudolf Franz. The Art of Readable Writing. [1st ed.]. Harper, 1949.
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