Канџи (ера) — разлика између измена

* Brown, Delmer M. and Ichirō Ishida, eds. . [http://books.google.com/books?id=w4f5FrmIJKIC&dq=Gukansho&source=gbs_navlinks_s ''Gukanshō: The Future and the Past.''] Berkeley: University of California Press. . {{page|year=1979|isbn=978-0-520-03460-0|pages=}}; [http://www.worldcat.org/title/future-and-the-past-a-transl-and-study-of-the-gukansho-an-interpretative-history-of-japan-written-in-1219/oclc/251325323 OCLC 251325323]