TY - BOOK TI - American English today. v.10, : the world of English : teacher's manual and answer key 2nd ed., revised AU - Guth, Hans Paul, 1926- SN - 0070253404 PB - Webster Division/McGraw-Hill Book Com PP - New York : Webster Division/McGraw-Hill Book Com., c1970-1977. PY - 1977 UR - https://library.korea.ac.kr/detail/?cid=CAT000000921105&ctype=m