Crawley, M. J. (2015). Statistics: An introduction using R (Second edition.). Wiley.
Cita Chicago (17th ed.)Crawley, Michael J. Statistics: An Introduction Using R. Second edition. Chichester, West Sussex, England: Wiley, 2015.
Cita MLA (9th ed.)Crawley, Michael J. Statistics: An Introduction Using R. Second edition. Wiley, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.