Unorthodox strategies for the everyday warrior / translated, with historical introduction and commentary, by Ralph D. Sawyer with the collaboration of Mei-chun Lee Sawyer. (1996). Boulder, CO: Westview Press, c.
Unorthodox strategies for the everyday warrior / translated, with historical introduction and commentary, by Ralph D. Sawyer with the collaboration of Mei-chun Lee Sawyer. . Boulder, CO: Westview Press, c, 1996. Buku Wajib.