Buku Teks
Horowitz, Paul, author
Cambridge University Press, 1980.
Buku Teks
Horowitz, Paul, author
Cambridge University Press, 1980
Buku Teks
Horowitz, Paul, author
Cambridge University Press, 1994
Buku Teks
Calvert, J.M., author
John Wiley & Sons, 1978
Buku Teks