edited by Alden B. Mills
McGraw-Hill, 1969
Buku Teks
editors, George F. Thompson, Frederick R. Steiner
John Wiley & Sons, 1997
Buku Teks SO
edited by Mildred F. Schmertz
McGraw-Hill, 1972
Buku Referensi
Wright, Paul H.
John Wiley & Sons, 1989
Buku Teks
Thompson, Godfrey
The Architectural, 1973
Buku Teks SO