Compra aquest llibre
| Venedor | Preu | Puntuació del venedor |
|---|---|---|
| Psychology Press | Sense preu | |
| Amazon.com | Sense preu | |
| Barnes&Noble.com | Sense preu | |
| Books-A-Million | Sense preu | |
| IndieBound | Sense preu | |
| AbeBooks.com | 54,48 USD | |
| Powell's Books | 10,50 USD | |
| Amazon.com | 6,97 USD | |
| Alibris | 2,97 USD | |
| eBay - zuber | 14,75 USD | |
| Thriftbooks.com | 6,39 USD |