Chang, W. (2013). R Graphics Cookbook. Shroff/ O'Reilly.
Lua i Stíl Chicago (17ú heag.)Chang, Winston. R Graphics Cookbook. Mumbai/ Beijing: Shroff/ O'Reilly, 2013.
Lua MLA (9ú heag.)Chang, Winston. R Graphics Cookbook. Shroff/ O'Reilly, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.