Brickell, Christopher <br/><br/>
The Royal Horticultural Society Encyclopedia of Gardening 

 - 4th Edition 
 - london:  Dorling Kindersley limited,  2012. 
<br/><br/><label>ISBN: </label>9781409383949 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gardening
<br/><br/><label>Dewey Class. No.: </label>REF 635.9 ROY