Newell, Sydney B., author
Harper & Row, 1982
Buku Teks
Givone, Donald D., author
McGraw-Hill, 1980
Buku Teks
Burton, Philip E., author
Garland STPM Press, 1982
Buku Referensi
Gilmore, Charles M., author
McGraw-Hill, 1981
Buku Teks
Rao, Guthikonda V., author
Van Nostrand Reinhold, 1982
Buku Teks