Oberai, M.M.
Prentice-Hall, 1974
Buku Teks
Lewis, Paul
Princeton Architectural Press, 1998
Buku Teks
Hatch, Lewis F.
McGraw-Hill Book Company, Inc., 1955
Buku Teks
Herber, Lewis
Alfred A. Knopf, 1962
Buku Teks
Bassie, V. Lewis
McGraw-Hill Book Company, Inc , 1958
Buku Teks