BIRCHENHALL, C. (1984). Mathematics For Modern Economics Chris Birchenhall, Paul Grount. Philip Allan.
Lua i Stíl Chicago (17ú heag.)BIRCHENHALL, Chris. Mathematics For Modern Economics Chris Birchenhall, Paul Grount. Philip Allan, 1984.
Lua MLA (8ú heag.)BIRCHENHALL, Chris. Mathematics For Modern Economics Chris Birchenhall, Paul Grount. Philip Allan, 1984.
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