^
Harry Potter and the Half-Blood Prince. Pottermore Publishing. Accessed 2023-01-10.
copied978-1-78110-589-4
1-78110-589-8
|
|
well-formed |
|
no hyphens provided |
| ISBN-10 |
1-78110-589-8 |
1781105898 |
| ISBN-13 |
978-1-78110-589-4 |
9781781105894 |
| Agency |
English language |
| Publisher |
Pottermore Publishing |
