| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Da domani non rimando più. Come smettere di rinviare le cose e iniziare a farle | Copertina rigida | 978-88-04-60693-2 | 2011 |
| Procrastinación: Por qué dejamos para mañana lo que podemos hacer hoy | Tapa blanda | 978-84-9989-887-2 | 2017 |
| PROCRASTINATION POURQUOI REMETTRE A DEMAIN CE QU'O | Broché | 978-2-35076-102-2 | 2010 |
| The Procrastination Equation | Paperback | 978-0-06-170362-1 | 2009 |
| The Procrastination Equation | Hardcover | 978-0-06-170361-4 | 2008 |
| The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done | Paperback | 978-0-273-76770-1 | 2011 |
| The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done | " | 978-0-307-35717-5 | 2011 |
| The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done | Hardcover | 978-0-307-35716-8 | 2010 |
Dr Piers Steel · P S · Ph.D., Piers Steel · Piers, PhD Steel · Piers Steel PhD
Alfred A. Knopf · DEBOLSILLO · HarperCollins · Mondadori · Pearson Education · Privé