Dyfyniad APA

DeFronzo, J. (2011). Revolutions and revolutionary movements (4th ed.). Westview Press.

Dyfyniad Arddull Chicago

DeFronzo, James. Revolutions and Revolutionary Movements. 4th ed. Boulder, CO: Westview Press, 2011.

Dyfyniad MLA

DeFronzo, James. Revolutions and Revolutionary Movements. 4th ed. Westview Press, 2011.

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