Gaya APA
Williams, Marc. (1989).
International Relations in the Twentieth Century: A Reader .
London:
Palgrave Macmillan.
Gaya Chicago
Williams, Marc.
International Relations in the Twentieth Century: A Reader.
London:
Palgrave Macmillan,
1989.
.
Gaya MLA
Williams, Marc.
International Relations in the Twentieth Century: A Reader.
London:
Palgrave Macmillan,
1989.
.
Gaya Turabian
Williams, Marc.
International Relations in the Twentieth Century: A Reader.
London:
Palgrave Macmillan,
1989.
.