diff --git a/90_references.Rmd b/90_references.Rmd
index 31b7feaa..3215aee3 100644
--- a/90_references.Rmd
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@@ -19,3 +19,5 @@ Long-term, you should understand more about what you are doing. Rote clicking in
   * Hadley Wickham's book [R Packages](http://r-pkgs.had.co.nz) has an excellent [chapter on the use of Git, GitHub, and RStudio](http://r-pkgs.had.co.nz/git.html) in R package development. He covers more advanced usage, such as commit best practices, issues, branching, and pull requests.
   
   * Ten Simple Rules for Taking Advantage of Git and GitHub <http://journals.plos.org/ploscompbiol/article?id=10.1371/journal.pcbi.1004947>
+
+  * RStudio's guide [Version Control with Git and SVN](https://support.rstudio.com/hc/en-us/articles/200532077-Version-Control-with-Git-and-SVN)