Perkins, E. E. <br/><br/>
Punctuation :  a programmed approach / 
E. E. Perkins 
 - 2nd ed. 
 - Cincinnati :  South-Western Publishing Company,  c1982. 
 - x, 214 p. ;  ill. ;  28 cm. 
<br/><br/><label>ISBN: </label>0538054700 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punctuation<br/>Rhetoric
<br/><br/><label>LC Class. No.: </label>PE1450  / .P44 1982