Prator, Clifford H. <br/><br/>
Manual of American English pronunciation / 
by Clifford H. Prator (Clifford Holmes). 
 - 4th ed. 
 - Orlando, Fla. :  Harcourt Brace Jovanovich,  1985. 
 - xxx, 244 p. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>The phonetic alphabet--Classification of vowels--Unstressed vowels. 
<br/><br/><label>ISBN: </label>0030007038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Pronunciation.--United States<br/>English language--Textbooks for foreign speakers.