Gaya APA
OPPENHEIM,L.. (1969).
International Law A Treatise (7th.ed.).
New York:
Longmans Company.
Gaya Chicago
OPPENHEIM,L..
International Law A Treatise.
7th.ed.
New York:
Longmans Company,
1969.
Teks.
Gaya MLA
OPPENHEIM,L..
International Law A Treatise.
7th.ed.
New York:
Longmans Company,
1969.
Teks.
Gaya Turabian
OPPENHEIM,L..
International Law A Treatise.
7th.ed.
New York:
Longmans Company,
1969.
Teks.