Hothorn, T., Everitt, B. S., Smoothers, S., & Archives, T. P. S. U. C. Additive Models: The Men’s Olympic 1500m, Air Pollution in the US, Risk Factors for Kyphosis, and Women’s Role in Society. http://cran.wustl.edu/web/packages/HSAUR3/vignettes/Ch_gam.pdf.
Citace podle Chicago (17th ed.)Hothorn, Torsten, Brian S. Everitt, Scatterplot Smoothers, a The Pennsylvania State University CiteSeerX Archives. "Additive Models: The Men’s Olympic 1500m, Air Pollution in the US, Risk Factors for Kyphosis, and Women’s Role in Society." Http://cran.wustl.edu/web/packages/HSAUR3/vignettes/Ch_gam.pdf .
Citace podle MLA (9th ed.)Hothorn, Torsten, et al. "Additive Models: The Men’s Olympic 1500m, Air Pollution in the US, Risk Factors for Kyphosis, and Women’s Role in Society." Http://cran.wustl.edu/web/packages/HSAUR3/vignettes/Ch_gam.pdf, .