Essentials of Business Communication (Custom Edition)

Mary Ellen Guffey is Emerita Professor of Business from Los Angeles Pierce College. She has taught business communication and business English topics for over thirty years and is the author of several, marketing-leading, internationally recognized textbooks in the field such as Business Communication: Process and Product, 5e.

Bertha Du-Babcock is Associate Professor in the Department of English and Communication at City University in Hong Kong, where she has taught courses on professional communication skills and intercultural communication.