Ihaka, r. (1996). Course in R statistical analysis system.
Lua i Stíl Chicago (17ú heag.)Ihaka, ross. Course in R Statistical Analysis System. 1996.
Lua MLA (9ú heag.)Ihaka, ross. Course in R Statistical Analysis System. 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.