Gaya APA
KELSEN,Hans. (1991).
General Theory of Norms .
Oxford:
Clarendon Press.
Gaya Chicago
KELSEN,Hans.
General Theory of Norms.
Oxford:
Clarendon Press,
1991.
Teks.
Gaya MLA
KELSEN,Hans.
General Theory of Norms.
Oxford:
Clarendon Press,
1991.
Teks.
Gaya Turabian
KELSEN,Hans.
General Theory of Norms.
Oxford:
Clarendon Press,
1991.
Teks.