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