Donald W. McCormick

title	ISBN-13	year of publica- tion	other author(s)
Business Communications With Writing Improvement Exercises	978-0-13-092255-7	1991	Phyllis D. Hemphill
Business Communication with Writing Improvement Exercises	978-0-13-040021-5	2000	Phyllis Davis Hemphill · Robert Hemphill
Business Communication: With Writing Improvement Exercises	978-0-13-375601-2	1996	Phyllis Davis Hemphill
Business Communication With Writing Improvement Exercises	978-0-13-317224-9	1995	Phyllis D. Hemphill