Davidson, George
Hodder and stoughton, 1989
Buku Teks
Carey, James
Wiley Publishing, Inc., 2000
Buku Teks
Cornell, Jane, author
Creative Homeowner Press, 1996
Buku Referensi
Creative Homeowner, 2002
Buku Teks
Geddes-Brown, Leslie, author
Page One, 2000
Buku Referensi