Cita APA (7th ed.)
Seglin, J. L., & Coleman, E. (2002). The AMA handbook of business letters (3rd ed.). AMACOM.
Cita Chicago (17th ed.)
Seglin, Jeffrey L., i Edward Coleman. The AMA Handbook of Business Letters. 3rd ed. New York: AMACOM, 2002.
Cita MLA (9th ed.)
Seglin, Jeffrey L., i Edward Coleman. The AMA Handbook of Business Letters. 3rd ed. AMACOM, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.