Greener, Michael
The penguin business dictionary
Penguin books, 1994
 Buku Referensi
Peter Salim
The Contemporary business dictionary English-Indonesia
Modern English Press, 1993
 Buku Referensi
De Vries, Mary Ann
Professional secretary's encyclopedic dictionary
Prentice-Hall, 1995
 Buku Referensi
Collin, P. H.
Dictionary of business
Peter Collin Publishing, 2001
 Buku Teks
A concise dictionary of business
Oxford reference
Oxford University Press, 1990
 Buku Referensi