Clark, James Leland, 1929- How 12 : a handbook for office professionals / How twelve Handbook for office professionals James L. Clark, Lyn R. Clark - Mason, Ohio : South-Western/Cengage Learning, c2009. - x, 598 p. : ill. ; 24 cm. Includes index. ISBN: 9781439037171 (pbk. : int. ed.) 1439037175 (pbk. : int. ed.) Subjects--Topical Terms: Commercial correspondence--Handbooks, manuals, etc.Business writing--Handbooks, manuals, etc. Dewey Class. No.: 808.066651 / CLA 2009