Gaya APA
Bennett, A, L. (1991).
International organizations: Principles and issues, 5th ed. .
Englewood Cliffs:
Englewood Cliffs Prentice Hall.
Gaya MLA
Bennett, Alvin, LeRoy.
"International organizations: Principles and issues, 5th ed. ".
Englewood Cliffs:
Englewood Cliffs Prentice Hall,
1991.
Buku.