^
Harry Potter e il Principe Mezzosangue. Pottermore Publishing. Accessed 2023-01-10.
copied978-1-78110-216-9
1-78110-216-3
|
|
well-formed |
|
valid hyphenation |
| ISBN-10 |
1-78110-216-3 |
1781102163 |
| ISBN-13 |
978-1-78110-216-9 |
9781781102169 |
| Agency |
English language |
