BC Gries, Paul.. Practical Programming (2nd edition): An Introduction to Computer Science Using Python 3/ / Paul Gries, Jennifer Campbell, Jason Montojo.. 1ª
BC GUTTAG, J. V. Introduction to computation and programming using Python. Rev. and expanded ed. [s. l.]: The MIT Press, 2013. ISBN 9780262525008.
BC WILD, F. H., III. Downey, Allen B.: Python for software design: how to think like a computer scientist. CHOICE: Current Reviews for Academic Libraries, [s. l.], v. 47, n. 4, p. 721, 2009.
 
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  Think Python. How to Think Like a Computer Scientist 2nd edition Creative Commons Attribution-NonCommercial 3.0 Unported License
[http://greenteapress.com/wp/think-python-2e/]