Hanley, T., author
DP Publications, 1993
Buku Teks
Rao, Guthikonda V., author
Van Nostrand Reinhold, 1982
Buku Teks
Givone, Donald D., author
McGraw-Hill, 1980
Buku Teks
Sawin, Dwight H., author
Lexington Books, 1977
Buku Teks
Hilburn, John L., 1938-, author
Prentice-Hall, 1980
Buku Teks