Here are three great examples of cover letters that each demonstrate different ways of formatting and tailoring your content to fit your position of interest. Sample Cover Letters.Be formal: This part of the letter is standard business etiquette. Check out the examples for content and style. Include an introductory cover letter with each resume you send to employers. They are usually one page. The return address should be written in the top right-hand corner of the letter. If you disagree with an individual or a company, and informal efforts to resolve your dispute fail, you should write a demand letter. Sample 2 – Child Custody Character Reference Letter. 1. Heading and Greeting.