Citace podle APA (7th ed.)

Perkins, J. (2010). Python text processing with NLTK 2.0 cookbook: Over 80 practical recipes for using Python's NLTK suite of libraries to maximize your natural language processing capabilities. Packt Pub..

Citace podle Chicago (17th ed.)

Perkins, Jacob. Python Text Processing with NLTK 2.0 Cookbook: Over 80 Practical Recipes for Using Python's NLTK Suite of Libraries to Maximize Your Natural Language Processing Capabilities. Birmingham, U.K.: Packt Pub., 2010.

Citace podle MLA (9th ed.)

Perkins, Jacob. Python Text Processing with NLTK 2.0 Cookbook: Over 80 Practical Recipes for Using Python's NLTK Suite of Libraries to Maximize Your Natural Language Processing Capabilities. Packt Pub., 2010.

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