BIRCH, A. (1969). British system of government. Allen & Unwin.
Chicagoスタイル(17版)引用形式BIRCH, A.H. British System of Government. London: Allen & Unwin, 1969.
MLA(9版)引用形式BIRCH, A.H. British System of Government. Allen & Unwin, 1969.
警告: この引用は必ずしも正確ではありません.