APA ציטוט

(2009). Ggplot2: Elegant graphics for data analysis / Hadley Wickham.

Chicago Style (17th ed.) Citation

Ggplot2: Elegant Graphics for Data Analysis / Hadley Wickham. 2009.

ציטוט MLA

Ggplot2: Elegant Graphics for Data Analysis / Hadley Wickham. 2009.