Love Charles Tinervia Joseph Comercial correspondence : For students of English as a second language - 2a. ed. - Mexico DF, Mexico McGraw-Hill 1991 - 197 p. cm. ISBN: 968-451-914-1 0-07-038785-0 Subjects--Topical Terms: Ingles Dewey Class. No.: 808.066.651.021 / L941c