Geskey, Ronald D., <br/><br/>
Media planning & buying in the 21st century / 
 Media planning and buying in the 21st century  Media planning and buying in the twenty-first century 
Ronald D. Geskey, Sr. 
 - Fourth edition. 
 - v, 637 páginas :  ilustraciones ;  23 cm 
<br/><br/>Incluye bibliografía e índice. 
<br/><br/><label>ISBN: </label>9781537438269 1537438263 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mercadeo.<br/>Medios de comunicación de masas.
<br/><br/><label>Dewey Class. No.: </label>659.111   / G389m 2017