Beasley, John D., author
Oxford University Press, 1988
Buku Teks
Velte, Anthony T., author
McGraw-Hill, 2010
Buku Teks
Nadeau, Jay L., author
CRC Pres, 2012
Buku Teks
Monro, Donald M., author
Edward Arnold, 1977
Buku Teks
Waard, Hendrik de, author
Addison-Wesley, 1966
Buku Teks