Janert,Philipp K. (2010). Data analysis with open source tools (2nd ed.). O'Reilly ; Shroff Publishers and Distributors.
Chicago-referens (17:e uppl.)Janert,Philipp K. Data Analysis with Open Source Tools. 2nd ed. Sebastopol, CA : New Delhi: O'Reilly ; Shroff Publishers and Distributors, 2010.
MLA-referens (8:e uppl.)Janert,Philipp K. Data Analysis with Open Source Tools. 2nd ed. O'Reilly ; Shroff Publishers and Distributors, 2010.
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