Duff, A. (2022). Constitutional Change in the European Union: Towards a Federal Europe. Springer Nature.
Chicagoスタイル(17版)引用形式Duff, Andrew. Constitutional Change in the European Union: Towards a Federal Europe. Cham: Springer Nature, 2022.
MLA(9版)引用形式Duff, Andrew. Constitutional Change in the European Union: Towards a Federal Europe. Springer Nature, 2022.
警告: この引用は必ずしも正確ではありません.