Zagoria, Sam, 1919-, author
Pretice-Hall, 1972
Buku Teks
Herring, E. Pendleton, author
McGraw-Hill, 1936
Buku Teks
Nice, David C., author
Wadsworth, 2002
Buku Teks
Jefkins, Frank William, author
Erlangga, 2004
Buku Teks
Albig, WIlliam
McGraw-Hill, 1939
Buku Teks