^
Harry Potter og Hemmelighedernes Kammer. Pottermore Publishing. Accessed 2023-01-10.
copied978-1-78110-315-9
1-78110-315-1
|
|
well-formed |
|
no hyphens provided |
| ISBN-10 |
1-78110-315-1 |
1781103151 |
| ISBN-13 |
978-1-78110-315-9 |
9781781103159 |
| Agency |
English language |
| Publisher |
Pottermore Publishing |
