Armelini, Guillermo. <br/><br/>
Marketing expenditures and word-of-mouth communication  complements or substitutes? /  [electronic resource] : 
Guillermo Armelini [and] Julian Villanueva. 
 - Hanover, MA :  Now,  c2010. 
 - ix, 53 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>9781601983800 1601983808 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Word-of-mouth advertising.