by Howard W. Alexander... [et.al.]
W.A. Benjamin, 1968
Buku Teks
Ashbacher, Charles
Hexis, 2005
Buku Teks
Blumenthal, Joseph C.
Harcourt Brace Jovanovich, 1972
Buku Teks
Longman Group UK Limited , 1975
Buku Teks
by Christopher Alexander ... [and others]
Oxford University Press, 1977
Buku Teks