1. A formal letter written by someone who knows the applicant well, attesting to their character, abilities, and qualifications for a job, academic program, or other opportunity
The professor wrote a strong reference letter for her graduate school application.
O professor escreveu uma forte carta de referência para sua candidatura à pós-graduação.
2. A document provided by a previous employer or educator that vouches for an individual's professional or academic performance
I need three reference letters from my former supervisors to apply for this position.
Preciso de três cartas de referência de meus antigos supervisores para me candidatar a este cargo.