Gaya APA

Wickham, H., Grolemund, G. (2016). R for Data Science: Import, Tidy, Transform, Visualize, And Model Data . : OReilly.

Gaya MLA

Wickham, Hadley., Grolemund, Garrett. "R for Data Science: Import, Tidy, Transform, Visualize, And Model Data". : OReilly, 2016. Text.