ARNSTEIN, W. (1988). Britain Yesterday And To Day 1830 To The Present Walter L. Acustein. DC Heath and Company.
Lua i Stíl Chicago (17ú heag.)ARNSTEIN, Walter. Britain Yesterday And To Day 1830 To The Present Walter L. Acustein. DC Heath and Company, 1988.
Lua MLA (8ú heag.)ARNSTEIN, Walter. Britain Yesterday And To Day 1830 To The Present Walter L. Acustein. DC Heath and Company, 1988.
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