| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55300-9 | 3551553009 |
| ISBN-13 | 978-3-551-55300-3 | 9783551553003 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-55300-9 | 3551553009 |
| ISBN-13 | 978-3-551-55300-3 | 9783551553003 |
| Agency | German language | |
| Publisher | Carlsen | |