Abramoff, Peter, author
Prentice-Hall, 1968
Buku Teks
Bregman, Allyn A., author
John Wiley & Sons, 1983
Buku Teks
Dickey, Jean, author
Benjamin Cummings, 2003
Buku Teks
Bregman, Allyn, author
John Wiley & Sons, 1990
Buku Teks
Beck, Raymond W., author
Burgess, 1976
Buku Teks