^
Harry Potter og Halvblodsprinsen. Pottermore Publishing. Accessed 2023-01-10.
copied978-1-78110-815-4
1-78110-815-3
|
|
well-formed |
|
no hyphens provided |
| ISBN-10 |
1-78110-815-3 |
1781108153 |
| ISBN-13 |
978-1-78110-815-4 |
9781781108154 |
| Agency |
English language |
| Publisher |
Pottermore Publishing |
