Crawley, M. J. (2007). The R book (1st edition.). Wiley.
Cita Chicago Style (17a ed.)Crawley, Michael J. The R Book. 1st edition. Chichester, England ; Hoboken, N.J.: Wiley, 2007.
Cita MLA (9a ed.)Crawley, Michael J. The R Book. 1st edition. Wiley, 2007.
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