Traynham, James G., author
Prentice-Hall, 1991
Buku Teks
Simpson, Peter, author
Chapman and Hall, 1994
Buku Teks
Warren, Stuart, author
Gadjah Mada University Press , 1995
Buku Teks
Creswell, Clifford J., author
ITB Press, 1982
Buku Teks
Schneerer, William F., author
McGraw-Hill, 1967
Buku Teks