Gaya APA
O'Brien, R., Williams, M. (2016).
Global Political Economy : Evolution and Dynamics (5th ed.).
England:
Palgrave Macmillan.
Gaya MLA
O'Brien, Robert., Williams, Marc.
"Global Political Economy : Evolution and Dynamics".
5th ed.
England:
Palgrave Macmillan,
2016.
Text.