Holmes, B.J., author
DP Publication Ltd., 1985
Buku Teks
Gottfried, Byron S., author
McGraw-Hill, 1982
Buku Teks
Catlin, Avery, author
Prentice-Hall, 1992
Buku Teks
Burrows, William E., author
MCGraw-Hill , 2003
Buku Teks
F. Soesianto, author
Andi, 1989
Buku Teks