Markgraf, Carl. <br/><br/>
Punctuation 
Carl Markgraf ; under the auspices of Portland State University, Division of Continuing Education. 
 - New York  Wiley  c1979. 
 - xi, 116 p.  26 cm. 
 - Wiley self-teaching guides .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0471031003 
<br/><br/><label>LCCN: </label>79018613  
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Punctuation.<br/>English language--Self-instruction.
<br/><br/><label>LC Class. No.: </label>PE1450  / .M337 1979 
<br/><br/><label>Dewey Class. No.: </label>428/.2