Helm, D., & Jenkinson, T. (1998). Competition in regulated industries. Oxford University Press.
Chicagoスタイル(17版)引用形式Helm, Dieter, , Tim Jenkinson. Competition in Regulated Industries. Oxford: Oxford University Press, 1998.
MLA(9版)引用形式Helm, Dieter, , Tim Jenkinson. Competition in Regulated Industries. Oxford University Press, 1998.
警告: この引用は必ずしも正確ではありません.