Cita APA (7th ed.)
Crawley, M. J. (2015). Statistics: An introduction using R (Second edition.). John Wiley & Sons, Inc.
Cita Chicago (17th ed.)
Crawley, Michael J. Statistics: An Introduction Using R. Second edition. Hoboken, NJ: John Wiley & Sons, Inc, 2015.
Cita MLA (9th ed.)
Crawley, Michael J. Statistics: An Introduction Using R. Second edition. John Wiley & Sons, Inc, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.