Martin, Judy <br/><br/>
Encyclopedia of coloured pencil techniques:  A complete step by step directory of key techniques, plus an inspirational gallery showing how artists use them.  

 - Kent:  Search press Ltd,  2016. 
 - 176p.: illus.:  Includes index. 
<br/><br/><label>ISBN: </label>9781782214779 -pbk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coloured pencil drawing---Techniques<br/>Coloured pencils drawing.