Khan, Irshad, author
Oxford & IBH Pub. Co, 1987
Buku Teks
Malvino, Albert Paul, author
McGraw-Hill, 1993
Buku Teks
Mano, M. Morris, 1927-, author
Prentice-Hall, 1986
Buku Teks
Bartee, Thomas C., author
McGraw-Hill, 1983
Buku Teks
Townsend, Ralph, author
Butterworth, 1982
Buku Teks