WALTER, A. (1993). World Power And World Money Andrew Walter. Harvester Wheatsheaf.
Lua i Stíl Chicago (17ú heag.)WALTER, Andrew. World Power And World Money Andrew Walter. Harvester Wheatsheaf, 1993.
Lua MLA (8ú heag.)WALTER, Andrew. World Power And World Money Andrew Walter. Harvester Wheatsheaf, 1993.
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