Derenzo, Stephen E., author
Prentice-Hall, 1990
Buku Teks
Spencer, Charles D., author
Cambridge University Press, 1990
Buku Teks
Derenzo, Stephen E.
Cambridge University Press, 2002
Buku Teks
Leventhal, Lance A., author
Prentice-Hall, 1981
Buku Teks
Leventhal, Lance A., author
Prentice-Hall, 1987
Buku Teks