1.

図書
図書
1. Practical reason and norms
Joseph Raz
出版情報: Oxford : Oxford University Press, c1999
2.

図書
図書
2. The concept of law. 2nd ed
H.L.A. Hart ; with a postscript edited by Penelope A. Bulloch and Joseph Raz
出版情報: Oxford : Clarendon Press , New York : Oxford University Press, 1994