LANCASTER, K. (1979). Modern Economics Principles And Policy Kelvin Lancaster And Ronald A. Dulaney. Rand McNally College Publising.
Lua i Stíl Chicago (17ú heag.)LANCASTER, Kelvin. Modern Economics Principles And Policy Kelvin Lancaster And Ronald A. Dulaney. Rand McNally College Publising, 1979.
Lua MLA (8ú heag.)LANCASTER, Kelvin. Modern Economics Principles And Policy Kelvin Lancaster And Ronald A. Dulaney. Rand McNally College Publising, 1979.
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