Mohamed Helal
| Materyal türü | Basma eser |
| Dil | Türkçe |
| Kurum | Internet Archive |
| Kaynak | Internet Archive |
| Not | Mohamed Helal |
Mohamed Helal, Internet Archive, https://archive.org/details/mohamedhelal.
| Materyal türü | Basma eser |
| Dil | Türkçe |
| Kurum | Internet Archive |
| Kaynak | Internet Archive |
| Not | Mohamed Helal |
Mohamed Helal, Internet Archive, https://archive.org/details/mohamedhelal.