Benton, Ted
Design , 2001
Buku Teks
Reamer, Frederic G.
Columbia University Press, 1993
Buku Teks
Beck, Robert N.
Holt, Rinehart and Winston, 1967
Buku Teks
S. C. Brown, editor
Harvester Press, 1979
Buku Teks
Phillips, D.C.
Stanford University Press, 1976
Buku Teks