Skinner, B. F.  1904- <br/><br/>
Contingencies of reinforcement  a theoretical analysis 
[by] B. F. Skinner 
 - New York  Appleton-Century-Crofts  [1969] 
 - xv, 319 p.  22 cm. 
 - The Century psychology series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operant behavior<br/>Reinforcement (Psychology)
<br/><br/><label>Dewey Class. No.: </label>152