APA-referens (7:e uppl.)

Sarkar, D. (2019). Text analytics with Python: A practitioner's guide to natural language processing (Second edition.). Apress.

Chicago-referens (17:e uppl.)

Sarkar, Dipanjan. Text Analytics with Python: A Practitioner's Guide to Natural Language Processing. Second edition. Bangalore, Karnataka, India: Apress, 2019.

MLA-referens (8:e uppl.)

Sarkar, Dipanjan. Text Analytics with Python: A Practitioner's Guide to Natural Language Processing. Second edition. Apress, 2019.