McCallum, George P. <br/><br/>
Words people use  passive/active vocabulary skills for students of English as a second language 
George P. McCallum 
 - Boston, Mass.  Heinle & Heinle  1982 
 - 317 p. ; 23 cm. 
<br/><br/><label>ISBN: </label>0838428525 
<br/><br/><label>LCCN: </label>81-20037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Text--books for foreigners<br/>Vocabulary