Study guide to accompany Barker
Dreisbach, Christopher.
Study guide to accompany Barker: the elements of logic /
Christopher Dreisbach, Robert J. Cavalier
. - 5th edition
. - New York : McGraw-Hill Book Company, 1989
. - vii, 167 p. tab., schem. 25 cm.
0-07-003732-9
0-07-003732-9