Helm, D. (1993). The Assessment: The European Internal Market: The Next Steps.
Chicagoスタイル(17版)引用形式Helm, D. The Assessment: The European Internal Market: The Next Steps. 1993.
MLA(9版)引用形式Helm, D. The Assessment: The European Internal Market: The Next Steps. 1993.
警告: この引用は必ずしも正確ではありません.