"Developers Guide", "Developers' Guide", or "Developer's Guide"

[Joyce Fetterman]

Bonnie Granat <bgranat at granatedit.com> wrote:
> Many organizations use the following:
>
> - User Guide
> - Developer Guide
> - Installation Guide
> - Administrator Guide


Andrew McFarland replied:
<<I like this convention, which I'll adopt across our documentation
range.>>


If it's User Guide and Administrator Guide, then doesn't it follow to
have Installer Guide rather than Installation Guide?

Just wondering.

(another) Joyce