Editors World Executive's Digest. (1983). At the expense of business. WED International.
Chicago-referens (17:e uppl.)Editors World Executive's Digest. At the Expense of Business. Hongkong: WED International, 1983.
MLA-referens (9:e uppl.)Editors World Executive's Digest. At the Expense of Business. WED International, 1983.
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