Vousden, N. (1990). The economics of trade protection. Cambridge University Press.
Chicagoスタイル(17版)引用形式Vousden, Neil. The Economics of Trade Protection. Cambridge ; New York: Cambridge University Press, 1990.
MLA(9版)引用形式Vousden, Neil. The Economics of Trade Protection. Cambridge University Press, 1990.
警告: この引用は必ずしも正確ではありません.