Due, J. F. (1963). Government finance, an economic analysis (3rd ed.). R. D. Irwin.
Lua i Stíl Chicago (17ú heag.)Due, John Fitzgerald. Government Finance, an Economic Analysis. 3rd ed. Homewood, Ill: R. D. Irwin, 1963.
Lua MLA (9ú heag.)Due, John Fitzgerald. Government Finance, an Economic Analysis. 3rd ed. R. D. Irwin, 1963.
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