Watts, D. (2008). The European Union. Edinburgh University Press.
Chicagoスタイル(17版)引用形式Watts, Duncan. The European Union. Edinburgh: Edinburgh University Press, 2008.
MLA(9版)引用形式Watts, Duncan. The European Union. Edinburgh University Press, 2008.
警告: この引用は必ずしも正確ではありません.