Dyfyniad APA

Wallerstein, I. M. (2011). The modern world-system. University of California Press.

Dyfyniad Arddull Chicago

Wallerstein, Immanuel Maurice. The Modern World-system. Berkeley: University of California Press, 2011.

Dyfyniad MLA

Wallerstein, Immanuel Maurice. The Modern World-system. University of California Press, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.