^
Harry Potter og Halvblodsprinsen. Pottermore Publishing. Accessed 2023-01-10.
copied978-1-78110-997-7
1-78110-997-4
|
|
well-formed |
|
no hyphens provided |
| ISBN-10 |
1-78110-997-4 |
1781109974 |
| ISBN-13 |
978-1-78110-997-7 |
9781781109977 |
| Agency |
English language |
| Publisher |
Pottermore Publishing |
