ISBN 0-87411-969-3 -RB- paperback -RRB- Articles de B. F. Skinner. Two Types of Conditioned Reflex and a Pseudo Type -LRB- 1935 -RRB-, Journal of General Psychology, 12, 66-77.
ISBN 0-87411-969-3 -RB- paperback -RRB- Articles de B.F. Skinner Two Types of Conditioned Reflex and a Pseudo Type -LRB- 1935 -RRB-, Journal of General Psychology, 12, 66-77.