Roberts, Robert, edited
Design Media Publishing, 2014
Buku Referensi
edited by Alden B. Mills
McGraw-Hill, 1969
Buku Teks
Wright, Paul H.
Buku Teks
Wright, Paul H., author
John Wiley & Sons, 1989
Buku Teks
Saphier, Michael
New York: McGraw-Hill, 1968
Buku Teks