Wickham, H. (2017). R for Data Science: Import, Tidy, Transform, Visualize, and Model Data. O'Reilly Media.
Cita Chicago (17th ed.)Wickham, Hadley. R for Data Science: Import, Tidy, Transform, Visualize, and Model Data. California: O'Reilly Media, 2017.
Cita MLA (9th ed.)Wickham, Hadley. R for Data Science: Import, Tidy, Transform, Visualize, and Model Data. O'Reilly Media, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.