Skinner B F <br/><br/>
Contingencies of reinforcement: A theoretical analysis 

 - New York, USA  Appleton-Century-Crofts  1969 
 - xv,319p. 
 - The Century Psychology Series .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology