Summerfield, M. (2009). Programming In Python 3: A Complete Introduction To The Python Language (2nd.). Pearson.
Chicago-čujuhus (17. p.)Summerfield, Mark. Programming In Python 3: A Complete Introduction To The Python Language. 2nd. Noida: Pearson, 2009.
MLA-čujuhus (9. p.)Summerfield, Mark. Programming In Python 3: A Complete Introduction To The Python Language. 2nd. Pearson, 2009.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.