Lutz, M. (2009). Python: [covers Python 3.x & 2.6] (4. Aufl.). O'Reilly.
Chicago Style (17th ed.) CitationLutz, Mark. Python: [covers Python 3.x & 2.6]. 4. Aufl. Beijing ; Köln [u.a.]: O'Reilly, 2009.
MLA (9th ed.) CitationLutz, Mark. Python: [covers Python 3.x & 2.6]. 4. Aufl. O'Reilly, 2009.
Warning: These citations may not always be 100% accurate.