Skinner, B. F. <br/><br/>
Contingencies of reinforcement :   a theoretical analysis /  
B. F. Skinner. 
 - New York :   Appleton-Century-Crofts,   1969. 
 - 319 p. ;  
 - The Century Psychology Series .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Refuerzo (Psicología)<br/>Conducta (Psicología)<br/>Contingencias <br/>Filogenia 
<br/><br/><label>Dewey Class. No.: </label>150.19434  / S446r