TY - BOOK AU - Lone,Charles, Tinervia, Joseph AU - x TI - Commercial correspondence: For students of English as a second language SN - x U1 - 808.066651021/L897c PY - 1980/// CY - New York ; London PB - McGraw-Hill KW - Commercial correspondenc KW - English language - Business. Enhlish N1 - x ER -