Schiller, B. R. (1989). The Economy today (4th ed.). Random House, Business Div.
Lua i Stíl Chicago (17ú heag.)Schiller, Bradley R. The Economy Today. 4th ed. New York: Random House, Business Div, 1989.
Lua MLA (9ú heag.)Schiller, Bradley R. The Economy Today. 4th ed. Random House, Business Div, 1989.
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