APA (7th ed.) Zitazioa
Kelley, D. R. Understanding a Changing World: The Alternative Futures of the International System. Rowman and Littlefield.
Chicago Style (17th ed.) Zitazioa
Kelley, Donald R. Understanding a Changing World: The Alternative Futures of the International System. Lanham, EUA: Rowman and Littlefield.
MLA (9th ed.) Zitazioa
Kelley, Donald R. Understanding a Changing World: The Alternative Futures of the International System. Rowman and Littlefield.
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