Joseph L. Cavinato and Ralph G. Kauffman, editors in chief
McGraw-Hill, 1999
Buku Referensi
Baily, P.J.H.
Chapman and Hall , 1973
Buku Teks
Dobler, Donald W., author
McGraw-Hill, 1996
Buku Teks
Burt, David N., author
McGraw-Hill, 2012
Buku Teks
Leenders, Michiel R.
IRWIN, 1997
Buku Teks