There are several websites that offer immigration reference letter samples, including SampleLettersWorld.com and the websites for the University of Alberta Career Centre and the North America Immigration Law Group. Attorneys and services that assist with immigration applications also supply sample immigration reference letters.
When writing an immigration reference letter, use a business-like tone that conveys authenticity and integrity. Begin by identifying yourself and your citizenship status, and describe your position and why your opinion about the individual about whom you are writing is relevant. Explain how you know the individual, referencing any relevant dates and locations. Provide examples that demonstrate positive character traits, including dates and locations again as necessary. Offer a strong compliment that demonstrates how you feel about the individual, and provide your contact information to invite the letter's recipient to communicate with you with any additional questions.