Guffey, M. E. (2010). Essentials of business communication 2nd ed. Cengage Learning.
Citación estilo ChicagoGuffey, Mary Ellen. Essentials of Business Communication 2nd Ed. Cengage Learning, 2010.
Cita MLAGuffey, Mary Ellen. Essentials of Business Communication 2nd Ed. Cengage Learning, 2010.
Warning: These citations may not always be 100% accurate.