Gaya APA
Kelsen, H., Sidharta, A.
(1973).
Hukum dan logika (Essays in legal and moral philosophy)
.
Bandung:
Alumni.
Gaya MLA
Kelsen, Hans., Sidharta, Arif.
"Hukum dan logika (Essays in legal and moral philosophy)".
Bandung:
Alumni,
1973.
Text.