(1972). Economics: The science of prices and incomes. London : Methuen & Co. Ltd..
Cita Chicago Style (17a ed.)Economics: The Science of Prices and Incomes. London : Methuen & Co. Ltd., 1972.
Cita MLA (9a ed.)Economics: The Science of Prices and Incomes. London : Methuen & Co. Ltd., 1972.
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