Peter Salim
Modern English Press, 1994
Buku Referensi
Peter Salim
Modern English Press, [date of publication not identified]
Buku Referensi
Arens, William F.
Irwin /McGraw-Hill, 1999
Buku Teks
Jones, Gareth R.
McGraw-Hill, Irwin, 2006
Buku Teks
Meserve, Bruce B.
Prentice-Hall, 1972
Buku Teks