Summerfield, M. (2009). Programming In Python 3: A Complete Introduction To The Python Language (2nd.). Pearson.
Čikaški stil citiranja (17. izdanje)Summerfield, Mark. Programming In Python 3: A Complete Introduction To The Python Language. 2nd. Noida: Pearson, 2009.
MLA način citiranja (9. izdanje)Summerfield, Mark. Programming In Python 3: A Complete Introduction To The Python Language. 2nd. Pearson, 2009.
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