Usher, D. (1968). The price mechanism & the meaning of etc. Clarendon Press.
Lua i Stíl Chicago (17ú heag.)Usher, Dan. The Price Mechanism & the Meaning of Etc. Oxford: Clarendon Press, 1968.
Lua MLA (9ú heag.)Usher, Dan. The Price Mechanism & the Meaning of Etc. Clarendon Press, 1968.
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