Keithley, Erwin M. <br/><br/>
English for modern business / 
Erwin M. Keithley, Margaret H. Thompson. 
 - 3d ed. 
 - Homewood, Ill. :  R. D. Irwin,  1977. 
 - xii, 418 p. :  forms ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0256018529 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Business English.