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 | |
| Amazon.com | 7,99 USD | |
| The Book Garden | 4,00 USD | |
| eBay - petr_3673 | 8,99 USD | |
| Ed's Editions Bookstore | 8,00 USD | |
| eBay | 5,18 USD | |
| bookmarxbooks.com | 4,50 USD |