Chacon, S., Straub, B. (2014). Pro Git. Berkely, CA: Apress . doi: 10.1007/978-1-4842-0076-6 .

Very good, and in depth guide to Git. Free and online.

Git, (2019). Git . Retrieved from https://git-scm.com/ .

The git website. Documentation and downloads can be found here.

GitHub, Inc., (2019). GitHub . Retrieved from https://github.com/ .

The GitHub website.