Lua APA (7ú heag.)

Roll, E. (1953). A History of economic thought (3rd.ed.). Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Roll, Eric. A History of Economic Thought. 3rd.ed. New Jersey: Prentice-Hall, 1953.

Lua MLA (9ú heag.)

Roll, Eric. A History of Economic Thought. 3rd.ed. Prentice-Hall, 1953.

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