JONES, Elinor - HARDEN, Simon - CRAWLEY, Michael J. The R Book. Third edition. Hoboken : John Wiley and Sons, 2023. 1 online zdroj (xxii, 851 stran). Available on Internet: <https://ebookcentral.proquest.com/lib/ujep-ebooks/reader.action?docID=7080002> ISBN 978-1-119-63440-9.