Roberts, Arthur D.
McGraw-Hill , 1968
Buku Teks
Chambers, Harold L., author
Prentice-Hall, 1980
Buku Referensi
Addison-Wesley Publishing , 1987
Buku Teks
Dorf, Richard C., author
Addison-Wesley Publishing House, 1990
Buku Teks
Loskutov, V.
Peace Publishers, [date of publication not identified]
Buku Teks