Wallerstein, I. M. (2011). The modern world-system. University of California Press.
Lua i Stíl Chicago (17ú heag.)Wallerstein, Immanuel Maurice. The Modern World-system. Berkeley: University of California Press, 2011.
Lua MLA (8ú heag.)Wallerstein, Immanuel Maurice. The Modern World-system. University of California Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.