000 00277nam a2200121Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a420
100 _aJohn Langan
245 0 _aEnglish skills
260 _aNewyork
_bMcgraw-Hill Book co.
_c1981
942 _cPR
999 _c42739
_d42739