@Book{kopka04,
  author    = {Kopka, Helmut and Daly, Patrick W.},
  title     = {Guide to \LaTeX},
  publisher = {Addison-Wesley},
  year      = {2004},
  edition   = {4},
}

@Book{goossens04,
  author =    {Mittelbach, Frank and Goossens, Michel},
  title =     {The \LaTeX{} Companion},
  publisher = {Addison-Wesley},
  year =      {2004},
  edition =   {2},
}

@Online{latexwiki,
  title =     {\LaTeX},
  url = "https://en.wikibooks.org/wiki/LaTeX",
  urldate = {2021-07-01},
}
