Clark, James L. HOW 12 a handbook for office professionals - 12th ed. - Mason, Ohio South-Western Cengage Learning 2009 - x, 598 p. ; ill. Includes index ISBN: 978-1-4390-3717-1 Subjects--Topical Terms: Commercial correspondence - Handbooks, manuals, etc. Dewey Class. No.: R 808.06665 C55