Butler, Eugenia. <br/><br/>
Correct writing / 
Eugenia Butler, Mary Ann Hickman, Lalla Overby. 
 - 2nd ed. 
 - Massechusetts :  D.C. and Co.,  1978. 
 - xiv, 364 p. ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0669016276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Writing system--Phonology.
<br/><br/><label>Dewey Class. No.: </label>421