Hilliard, Robert L. 1925-.
The broadcast century and beyond: a biography of American broadcasting /
Robert L. Hilliard, Michael C. Keith 
. - 3rd edition 
. - Boston : Focal Press,  2001 
. - ix, 341 p.  ill., tab.  26 cm. 
<br/>К.: Бібліогр. : c. 329-332, Index 
<br/><label>  ISBN: </label>0-240-80430-9