Wylie, C. Ray, author
McGraw-Hill, 1982
Buku Teks
Smith, Karl J., author
Brooks/Cole, 1973
Buku Teks
Solomon, R.C., author
DP Publications, 1992
Buku Teks
White, Paul A., author
Dickenson, 1970
Buku Teks
Connelly, James F., author
Macmillan, 1978
Buku Teks