Royal Horticultural Society <br/><br/>
Plant guides  shrubs and climbers 
Royal Horticultural Society,London. 
 - 4th. ed.. 
 - London  Dorling Kindersley  1996 
 - 336p., ill.; 22cm. 
<br/><br/><label>ISBN: </label>0751301744. 
<br/><br/><label>Dewey Class. No.: </label>635.976  / R95P