Pifer, George W. <br/><br/>Point counterpoint:   Discussion and persuasion techniques George W. Pifer, Nancy Whisler Mutoch, Author  - Cambridge, New York:  Nweburry House,   1988  - vii, 128 pages;  28 cm. <br/><br/><label>ISBN: </label>0066324033 <br/><br/><label>LC Class. No.: </label>PE1128  / P487