Spark, David. <br/><br/>
Investigative reporting :  a study in technique / 
David Spark. 
 - Oxford :  Focal Press,  1999. 
 - xii, 271 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references: p. 237-238. 
<br/><br/><label>ISBN: </label>0240515439 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Investigative reporting.