Lua APA (7ú heag.)

Routh, G. (1989). The origin of economic ideas (2nd ed.). Macmillan.

Lua i Stíl Chicago (17ú heag.)

Routh, Guy. The Origin of Economic Ideas. 2nd ed. London: Macmillan, 1989.

Lua MLA (9ú heag.)

Routh, Guy. The Origin of Economic Ideas. 2nd ed. Macmillan, 1989.

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