Seager, Spencer L., author
Brooks/Cole, 2008
Buku Teks
Ouellette, Robert J., author
Prentice-Hall, 1997
Buku Teks
Petrucci, Ralph H., author
Macmillan, 1993
Buku Teks
by Ralph H. Petrucci ... [and others]
Pearson Prentice Hall, 2007
Buku Teks
Stoker, H. Stephen, author
Allyn and Bacon, 1991
Buku Teks