Gaya APA
Booth, John A. (1979).
Understanding central America(Buku Hunungan Internasional) .
London:
Westview Press.
Gaya Chicago
Booth, John A.
Understanding central America(Buku Hunungan Internasional).
London:
Westview Press,
1979.
Text.
Gaya MLA
Booth, John A.
Understanding central America(Buku Hunungan Internasional).
London:
Westview Press,
1979.
Text.
Gaya Turabian
Booth, John A.
Understanding central America(Buku Hunungan Internasional).
London:
Westview Press,
1979.
Print.