Will you answer true?  [videorecording]  / 
produced by Video Arts 
 - London :  Video Arts ,  1975 
 - 1 videocasstte (U-Matic) (16 min.) :  sd., col., ;  3/4 in. + 5 books (Title: Telephone Techniques) 
<br/><br/>Editor, Brian Freemantle ; writter, jonathan Lynn  Editor, Brian Freemantle ; writter, jonathan Lynn 
<br/><br/>Narrator: Andrew Sachs 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Marketing<br/>Sales