Tham khảo Kobudō

  1. Draeger, Donn F. (1974) Modern Bujutsu and Budo. New York: Weatherhill, tr. 57. ISBN 0-8348-0351-8
  2. Fumon Tanaka (2003) Samurai Fighting Arts: The Spirit and the Practice. Tokyo: Kodansha International Ltd. Page 22. ISBN 4-7700-2898-9
  3. Japanese-English Dictionary of Kendo. All Japan Kendo Federation. Tokyo. Japan. 2000, tr. 52.
  4. Armstrong, Hunter B. (1995) The Koryu Bujutsu Experience in Koryu Bujutsu - Classical Warrior Traditions of Japan, tr. 19-20. ISBN 1-890536-04-0
  5. Armstrong, Hunter B. (1995) The Koryu Bujutsu Experience in Koryu Bujutsu - Classical Warrior Traditions of Japan. New Jersey: Koryu Books, tr. 20. ISBN 1-890536-04-0
  6. 1 2 Donn F. Draeger, 1973. Classical Budo. ISBN 978-0-8348-0234-6, tr. 36
  7. 1 2 Armstrong, Hunter B. (1995) The Koryu Bujutsu Experience in Koryu Bujutsu - Classical Warrior Traditions of Japan. New Jersey: Koryu Books, tr. 20. ISBN 1-890536-04-0
  8. Draeger, Donn F. (1973) Classical Budo. Boston: Weatherhill, tr. 68. ISBN 978-0-8348-0234-6
  9. Knutsen, Roald (2004) Rediscovering Budo. Kent: Global Oriental, tr. 22-23. ISBN 1-901903-61-3
  10. Donn F. Draeger, 1974. Modern Bujutsu & Budo. ISBN 0-8348-0351-8, tr. 135.
  11. Armstrong, Hunter B. (1995) The Koryu Bujutsu Experience in Koryu Bujutsu - Classical Warrior Traditions of Japan. New Jersey: Koryu Books, tr. 19-20. ISBN 1-890536-04-0