Ingels, Jack E. Landscaping : principles and practices / Jack E. Ingels. - 6th ed. - Clifton Park, NY : Thomson/Delmar Learning, 2004. - xvii, 494 p. : ill. (some col.), map ;Hbk ISBN: 1401834108 Subjects--Topical Terms: Landscape architecture.Landscape gardening.Landscaping industry. LC Class. No.: SB472 / .I53 2004