APA citiranje
Langford, B. Y. (2005). The etiquette edge: The unspoken rules for business success. AMACOM.
Chicago Style (17th ed.) Citation
Langford, Beverly Y. The Etiquette Edge: The Unspoken Rules for Business Success. New York: AMACOM, 2005.
MLA citiranje
Langford, Beverly Y. The Etiquette Edge: The Unspoken Rules for Business Success. AMACOM, 2005.
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