• Gödel, Escher, Bach An Eternal Golden Braid (Penguin Philosophy) av Douglas R. Hofstadter

  (ISBN-13: 9780140179972) Paperback

• Gödel, Escher, Bach An Eternal Golden Braid av Douglas Hofstadter

  (ISBN-13: 9780394756820) Paperback

• Godel, Escher, Bach An Eternal Golden Braid av Douglas R. Hofstadter

  (ISBN-13: 9780465026562) Paperback

• Godel, Escher, Bach An Eternal Golden Braid (20th anniversary edition with a new preface by the author) av Douglas R Hofstadter

  (ISBN-13: 9780140289206) Paperback