HAVENS, M. R. (1966). Economics Principles Of Income, Prices, And Growth Murray R. Havens And John Henderson, Dalel Cramer. The Macmillian Company.
Lua i Stíl Chicago (17ú heag.)HAVENS, Murray R. Economics Principles Of Income, Prices, And Growth Murray R. Havens And John Henderson, Dalel Cramer. The Macmillian Company, 1966.
Lua MLA (8ú heag.)HAVENS, Murray R. Economics Principles Of Income, Prices, And Growth Murray R. Havens And John Henderson, Dalel Cramer. The Macmillian Company, 1966.
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