Jacques, I. (2003). Mathematics for economics and business (4th ed.). Prentice Hall/Financial Times.
Lua i Stíl Chicago (17ú heag.)Jacques, Ian. Mathematics for Economics and Business. 4th ed. Harlow, England ; New York: Prentice Hall/Financial Times, 2003.
Lua MLA (8ú heag.)Jacques, Ian. Mathematics for Economics and Business. 4th ed. Prentice Hall/Financial Times, 2003.
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