1997 - Manager's Portfolio of Hard to Write Business Letters (Hardcover) ISBN-13: 9780135324417 ISBN-10: 0135324416 Genre: Business & Money ? 1994 - 100 Most Difficult Business Letters You'll Ever Have to Write Fax or Email T (Paperback) ISBN-13: 9780887306839 ISBN-10: 0887306837 Genre: Business & Money ? |