Print (1) Peres, Sherwood H. and J. Robert Garcia. 1962. “Validity and Dimensions of Descriptive Adjectives Used in Reference Letters for Engineering Applicants,” in Personnel Psychology. 15, 279-286. (2) Ryan, Michael and David L. Martinson. Spring 2000. “Perceived Effects of Exaggeration in Recommendation Letters,” in Journalism & Mass Communication Educator. 40-52. ‹ Superlatives up Chapter 5: Sample Recommendation Letters ›