Once you’ve decided on a resume type, it’s time to start writing your resume. You don’t have to start from scratch. First, review examples of the resume type you’ve selected. Then, choose a template which you can copy and paste into a document, and then fill in with your own work history.
However, this is a case where you’ll want to use your common sense. If you went to college for marketing and had a marketing internship your senior year, then worked as a server for the next several years, you would want to include your marketing internship.