Suryo, author
Gadjah Mada University Press, 1995
Buku Teks
Dnyansagar, V. R.
McGraw-Hill, 1992
Buku Teks
Suryo, author
Gadjah Mada University Press, 1994
Buku Teks
Dyson, Robert D.
Allyn and Bacon, 1974
Buku Teks
Smith, Chris A.
Chapman & Hall, 1993
Buku Teks