Schumacher, C. (2008). Closer and closer: Introducing real analysis. Jones and Bartlett.
Čikaški stil citiranja (17. izdanje)Schumacher, Carol. Closer and Closer: Introducing Real Analysis. Sudbury, Mass: Jones and Bartlett, 2008.
MLA način citiranja (9. izdanje)Schumacher, Carol. Closer and Closer: Introducing Real Analysis. Jones and Bartlett, 2008.
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