Knorr, K. E. (1969). Contending approaches to international politics. Princeton University Press.
Chicagoスタイル(17版)引用形式Knorr, Klaus Eugen. Contending Approaches to International Politics. Princeton, N.J: Princeton University Press, 1969.
MLA(9版)引用形式Knorr, Klaus Eugen. Contending Approaches to International Politics. Princeton University Press, 1969.
警告: この引用は必ずしも正確ではありません.