Gaya APA
Posner, Richard A. (2001).
Frontiers of legal theory .
Cambridge:
Harvard University.
Gaya Chicago
Posner, Richard A.
Frontiers of legal theory.
Cambridge:
Harvard University,
2001.
Text.
Gaya MLA
Posner, Richard A.
Frontiers of legal theory.
Cambridge:
Harvard University,
2001.
Text.
Gaya Turabian
Posner, Richard A.
Frontiers of legal theory.
Cambridge:
Harvard University,
2001.
Print.