About.com, Essaysmith.com and WriteExpress.com are some websites offering free examples of reference letters. The types of sample letters include references for managers, teachers, employees and students. Examples of positive and negative recommendations are available.
The sample reference letters provided by About.com are located in the About Careers section. This section includes articles on writing references and on preparing a list of references.
Essaysmith.com offers seven sample letters written by professors or teachers and seven sample reference letters by employers.
In addition to employment and academic recommendations, WriteExpress.com supplies sample reference letters for recommending a political candidate and for recommending a service or product. The examples are available in English or Spanish.