Gehani, Narain, 1947-, author
Prentice-Hall, 1989
Buku Teks
Wegner, Peter, author
Prentice-Hall, 1980
Buku Teks
Stratford-Collins, M.J., author
Ellis Horwood, 1982
Buku Teks
Johnson, Philip I., author
McGraw-Hill, 1985
Buku Teks
Downes, Valerie A., author
Prentice-Hall, 1982
Buku Teks