Include skills related to the position / career field that you are applying for i.e. computer skills, language skills.
References available upon request
There is no need to include references on your resume or even to mention that references are available. Rather, have a separate list of references to give to employers upon request.
Customize Your Resume
In all cases, be sure to personalize and customize your resume, so it
reflects your skills and abilities and connects them with the jobs you
are applying for.