Adams, C.R. Principles of horticulture / C.R. Adams, K.M. Bamford & M.P. Early. - 6th ed. - New York : Routledge, c2012. - ix, 390 pages : Illustrations (colored) ; 28 cm. Includes index. ISBN: 9780080969572 Subjects--Topical Terms: Horticulture.