Levi, W. (1974). International politics: Foundations of the system. University of Minnesota Press.
Chicagoスタイル(17版)引用形式Levi, Werner. International Politics: Foundations of the System. Minneapolis: University of Minnesota Press, 1974.
MLA(9版)引用形式Levi, Werner. International Politics: Foundations of the System. University of Minnesota Press, 1974.
警告: この引用は必ずしも正確ではありません.