Cita APA (7a ed.)
Langford, B. Y. (2005). The etiquette edge: The unspoken rules for business success. AMACOM.
Cita Chicago Style (17a ed.)
Langford, Beverly Y. The Etiquette Edge: The Unspoken Rules for Business Success. New York: AMACOM, 2005.
Cita MLA (9a ed.)
Langford, Beverly Y. The Etiquette Edge: The Unspoken Rules for Business Success. AMACOM, 2005.
Precaución: Estas citas no son 100% exactas.