Sally, C. (1992). TIMES ASIAN BUSINESS LIBRARY BUSINESS ETIQUETTE: An Essential Guide for Executives. Singapore : Time Books International.
Chicago-referens (17:e uppl.)Sally, Chew. TIMES ASIAN BUSINESS LIBRARY BUSINESS ETIQUETTE: An Essential Guide for Executives. Singapore : Time Books International, 1992.
MLA-referens (9:e uppl.)Sally, Chew. TIMES ASIAN BUSINESS LIBRARY BUSINESS ETIQUETTE: An Essential Guide for Executives. Singapore : Time Books International, 1992.
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