Wickham, H. (2019). Advanced R. CRC Press.
Chicago Style (17th ed.) ZitazioaWickham, Hadley. Advanced R. Boca Raton, Fl., USA: CRC Press, 2019.
MLA (9th ed.) ZitazioaWickham, Hadley. Advanced R. CRC Press, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.