Gaya APA
Booth, K., Erskine, T.
(2016).
International Relations Theory Today
(
2nd Ed.)
.
Malden:
Polity Press.
Gaya MLA
Booth, Ken., Erskine, Toni.
"International Relations Theory Today".
2nd Ed.
Malden:
Polity Press,
2016.
Text.