Within that heading, decide which experience does the best job of proving your ability in this category and place it first. Consult the attached sample format for some comments on this section. An employer will ask many questions and interpret many things on a resume to answer this concern. Grouping a variety of jobs under a final heading helps provide an answer, even though none of the jobs seem to relate to the career you want. Collectively, however, the indication that you have worked is a good prediction that you will continue to work in the future.
References are the final section on the resume.
If you do have a credentials file with the Career Planning and Placement Office you can indicate that here. Some employers would like to see names of people if they are located in their immediate area. The employer will contact you if the references are wanted. Writers such as Tom Jackson feel that it is understood that you will supply references and this section can therefore be eliminated. Type a draft copy and you will have an opportunity to observe length.