Barrada, Barry H. The human computer : the power of effective communication : wh at to say and how to say it / Barry H. Barrada. - New ed. - Devon : Multiscope Books, 1985-1986. - 3v. ; 23 cm. Vol. 2 : Humour entertainment retort love art of persuasion. ISBN: 0951010611 (v.1) 095101062X (v.2) Subjects--Topical Terms: Communication.