Barrett, William. (1962.). Irrational man : a studi in existential philosophy / William Barrett. New York :: Doubleday Anchor Books,.
Barrett, William. Irrational man : a studi in existential philosophy / William Barrett. New York :: Doubleday Anchor Books,, 1962.
Barrett, William. Irrational man : a studi in existential philosophy / William Barrett. New York :: Doubleday Anchor Books,, 1962..