Beach, David P., author
Prentice-Hall, 1990
Buku Teks
Maloney, Timothy J., author
Prentice-Hall, 1979
Buku Teks
Ryder, John D. (John Douglas), author
McGraw-Hill, 1957
Buku Teks
Kissell, Thomas E.
Prentice Hall International, 1997
Buku Teks
Petruzella, Frank D., author
McGraw-Hill, 1996
Buku Teks