FUSFELD, D. R. (1985). Economics Principles Of Political Economiy Daaniel R. Fusfeld. Scott, Foresman and Company.
Lua i Stíl Chicago (17ú heag.)FUSFELD, Daniel R. Economics Principles Of Political Economiy Daaniel R. Fusfeld. Scott, Foresman and Company, 1985.
Lua MLA (8ú heag.)FUSFELD, Daniel R. Economics Principles Of Political Economiy Daaniel R. Fusfeld. Scott, Foresman and Company, 1985.
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