Git - Downloads, The Git Project, 2024 - The official page for downloading and installing Git on macOS, detailing all primary methods including the Xcode Command Line Tools, Homebrew, and the standalone installer.
Pro Git, Scott Chacon and Ben Straub, 2014 (Apress) - A comprehensive and authoritative guide to Git, covering fundamental concepts, advanced usage, and including sections on initial setup and installation. The online version is continuously updated.