Stephenson, J. (1977). Principles and Practice of Commercial Correspondance (3rd ed.). wheeler.
Citación estilo ChicagoStephenson, James. Principles and Practice of Commercial Correspondance. 3rd ed. Allahabad: wheeler, 1977.
Cita MLAStephenson, James. Principles and Practice of Commercial Correspondance. 3rd ed. wheeler, 1977.
Warning: These citations may not always be 100% accurate.