Costinett, S. <br/><br/>
Spectrum :  teacher's Ed.6 A communicative course in English / 
S. Costinett 
 - 6th ed. 
 - Hall Regents :  Englewood cliffs,  1995 
 - 154 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tiếng Anh--Giao tiếp<br/>English language--Spoken English.<br/>English language
<br/><br/><label>Dewey Class. No.: </label>428.2  / SPE(COS) 1995