ROLL, E. (1954). A history of economic thought - Eric Roll. Prentice Hall.
Lua i Stíl Chicago (17ú heag.)ROLL, Eric. A History of Economic Thought - Eric Roll. Prentice Hall, 1954.
Lua MLA (8ú heag.)ROLL, Eric. A History of Economic Thought - Eric Roll. Prentice Hall, 1954.
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