TY - BOOK TI - English as a global language Canto ed AU - Crystal, David, 1941- SN - 0521629942 (pbk.) PB - Cambridge University Press PP - Cambridge, [England] ; New York : Cambridge University Press, 1998. PY - 1998 UR - https://library.korea.ac.kr/detail/?cid=CAT000000772060&ctype=m