| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Who Said So?: The Questions Revolutionary Businesses Ask That Make Them Successful | 978-0-470-21280-6 (0-470-21280-2) | 2008 |
| Who Said So? The Questions Revolutionary Businesses Ask That Make Them Successful Michael E. Parker | 978-81-265-2087-9 (81-265-2087-6) | 2012 |
E. Parker · M.E · M.E. Parker · M P · M. Parker · Michael E. · Michael P. · Michael Parker