WILLIAMSON, J. A. (1965). Great Britain and the Commonwealth (3rd ed.). Adam and Charles Black.
Chicago Style (17th ed.) ZitazioaWILLIAMSON, James A. Great Britain and the Commonwealth. 3rd ed. London: Adam and Charles Black, 1965.
MLA (9th ed.) ZitazioaWILLIAMSON, James A. Great Britain and the Commonwealth. 3rd ed. Adam and Charles Black, 1965.
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