HUGHES, A. J. (1983). Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc.
Lua i Stíl Chicago (17ú heag.)HUGHES, Ann J. Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc, 1983.
Lua MLA (8ú heag.)HUGHES, Ann J. Applied Mathematics For Business Economics And Social Sciecnce Ann J. Hughes. Richard D. Irwin,Inc, 1983.
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