کتاب های Mary Ellen Guffey
Business Communication: Process and Product, 6th Edition
Mary Ellen Guffey, 2007
Business English, 10th Edition
Mary Ellen Guffey, 2010
Business Communication: Process and Product
Mary Ellen Guffey, 2010
Essentials of Business Communication (Book Only) , Eighth Edition
Mary Ellen Guffey, 2009
Essentials of Business Communication , Seventh Edition
Mary Ellen Guffey, 2006
Essentials of Business Communication, 8th Edition
Mary Ellen Guffey, 2009
Business Communication: Process & Product
Mary Ellen Guffey; Dana Loewy, 2017
Business Communication: Process and Product
Mary Ellen Guffey, Dana Loewy, 2014
Essentials of Business Communication
Mary Ellen Guffey; Dana Loewy, 2018
