Kurian, George Thomas
The AMA dictionary of business and management
Amacom, 2013
 Buku Referensi
Kurian, George Thomas
The AMA dictionary of business and management
[American Management Association, ], 2013
 eBooks
Garofalo, Gene
The Prentice Hall encyclopedic dictionary of selling
Prentice-Hall, 1994
 Buku Referensi
De Vries, Mary Ann
Professional secretary's encyclopedic dictionary
Prentice-Hall, 1995
 Buku Referensi
Greener, Michael
The penguin business dictionary
Penguin books, 1994
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