Gaya APA
Posner, Richard A.. (1990).
The Problems Of Jurisprudence .
Cambridge:
Harvard University Press.
Gaya Chicago
Posner, Richard A..
The Problems Of Jurisprudence.
Cambridge:
Harvard University Press,
1990.
Text.
Gaya MLA
Posner, Richard A..
The Problems Of Jurisprudence.
Cambridge:
Harvard University Press,
1990.
Text.
Gaya Turabian
Posner, Richard A..
The Problems Of Jurisprudence.
Cambridge:
Harvard University Press,
1990.
Print.