Bovo, Benjamin W., <br/><br/>
Notes to'a science fiction writer / 
Ben Bova. 
 - Second edition, rev. & expanded 
 - Boston :  Houghton Mifflin,  1981. 
 - 193pages :  21cm. 
<br/><br/>Bibliography: p.189-193 
<br/><br/><label>ISBN: </label>0395305217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction--Authorship.