Anderson, Lowell, author
Prentice-Hall, 1971
Buku Teks
Ivey, Paul W.
Prentice-Hall, 1961
Buku Teks
Russel, Frederic A.
McGraw-Hill, 1955
Buku Teks
Russell, Frederic A.
McGraw-Hill, 1959
Buku Teks
Pederson, Carlton A.
Richard D. Irwin, Inc., 1966
Buku Teks