ECTSTEIN OTTO. (1979). PUBLIC FINANCE. PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)ECTSTEIN OTTO. PUBLIC FINANCE. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1979.
Lua MLA (9ú heag.)ECTSTEIN OTTO. PUBLIC FINANCE. PRENTICE -HALL INTERNATIONAL, INC, 1979.
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