## Cargo Reference

The reference covers the details of various areas of Cargo.

* [Specifying Dependencies](reference/specifying-dependencies.html)
* [The Manifest Format](reference/manifest.html)
* [Configuration](reference/config.html)
* [Environment Variables](reference/environment-variables.html)
* [Build Scripts](reference/build-scripts.html)
* [Publishing on crates.io](reference/publishing.html)
* [Package ID Specifications](reference/pkgid-spec.html)
* [Source Replacement](reference/source-replacement.html)
* [External Tools](reference/external-tools.html)
* [Unstable Features](reference/unstable.html)
