Barker, Thomas T. , Writing software documentation : a task-oriented approach / Thomas T. Barker. - 2nd ed. - xxvii, 468 pages : illustrations ; 24 cm. - Allyn and Bacon series in technical communication . ISBN: 0321103289 Subjects--Topical Terms: Software documentation. LC Class. No.: QA76.76.D63 / .B37 2003