Shinners, Stanley M., author
Addison-Wesley, 1978
Buku Teks
Shinners, Stanley M., author
Addison-Wesley, 1972
Buku Teks
D`Azzo, John J., author
McGraw-Hill, 1981
Buku Teks
Sante, Daniel P., author
Prentice-Hall, 1980
Buku Teks
Garner, K.C., author
Pergamon Press, 1968\
Buku Teks