Gaya APA
Principles of international law concering friendly relation and cooperation. (1972).
New York:
[s.n.].
Gaya Chicago
Principles of international law concering friendly relation and cooperation.
.
New York:
[s.n.],
1972.
Text.
Gaya MLA
Principles of international law concering friendly relation and cooperation.
.
New York:
[s.n.],
1972.
Text.
Gaya Turabian
Principles of international law concering friendly relation and cooperation.
New York:
[s.n.],
1972.
Print.