APA-čujuhus (7. p.)

BIRCH, A. (1969). British system of government. Allen & Unwin.

Chicago-čujuhus (17. p.)

BIRCH, A.H. British System of Government. London: Allen & Unwin, 1969.

MLA-čujuhus (9. p.)

BIRCH, A.H. British System of Government. Allen & Unwin, 1969.

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