Social media marketing :  a strategic approach / 
Melissa S. Barker, Donald I. Barker, Nicholas F. Bormann, Krista E. Neher. 
 - Mason, OH. :  South-Western, Cengage Learning,  2013. 
 - xv, 380 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780538480871 (pbk.)  RM323.94 0538480874 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Internet marketing--Textbooks.<br/>Viral marketing--Textbooks.