Hill, W. F.
Garden Art Press, 1995
Buku Referensi
Dirr, Michael A.
Stipes Publishing Company, 1983
Buku Referensi
Harris, Charles W., co-editor ; Dines, Nicholas T., co-editor
McGraw-Hill, 1998
Buku Referensi
edited by Mohsen Mostafavi and Ciro Najle
AA Publisher, 1999
Buku Teks SO
[edited by] Betty J. Ackley, Gail B. Ladwig.
Mosby, 1999
Buku Teks SO