Burton, Philip E., author
Garland STPM Press, 1982
Buku Referensi
Simpson, Henry, author
McGraw-Hill, 1985
Buku Teks
Bernhard, Robert, author
Elsevier Int. Bulletins, 1986
Buku Teks
Kraft, George D., author
Prentice-Hall, 1979
Buku Teks
Chapra, Steven C., author
McGraw-Hill, 1998
Buku Teks