McKenna, C., & Rees, R. (1992). Economics: A mathematical introduction. Oxford University.
Lua i Stíl Chicago (17ú heag.)McKenna, C.J, agus Ray Rees. Economics: A Mathematical Introduction. New York: Oxford University, 1992.
Lua MLA (9ú heag.)McKenna, C.J, agus Ray Rees. Economics: A Mathematical Introduction. Oxford University, 1992.
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