Salmon, Rod, author
Addison-Wesley, 1987
Buku Teks
Angel, Edward, author
Pearson, 2009
Buku Teks
James D. Foley ... [et al.]
Addison-Wesley, 1996
Buku Teks
edited by John Woodwark
Clarendon Press, 1989
Buku Teks
Clark, T. Michael, author
Sams, 1999
Buku Teks