Heine J, Hartmann F (2021). holland: Statistics for Holland's Theory of Vocational Choice. R package version 0.1.2-1, https://CRAN.R-project.org/package=holland.

Corresponding BibTeX entry:

  @Manual{,
    title = {{holland}: Statistics for Holland's Theory of Vocational
      Choice},
    author = {Joerg-Henrik Heine and Florian Hartmann},
    year = {2021},
    note = {R package version 0.1.2-1},
    url = {https://CRAN.R-project.org/package=holland},
  }