| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 3-551-55168-5 | 3551551685 |
| ISBN-13 | 978-3-551-55168-9 | 9783551551689 |
| Agency | German language | |
| Publisher | Carlsen | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-89584-609-0 | 3895846090 |
| ISBN-13 | 978-3-89584-609-0 | 9783895846090 |
| Agency | German language | |
| Publisher | Der Hoerverlag DHV | |
| 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 | 3-89882-018-1 | 3898820181 |
| ISBN-13 | 978-3-89882-018-9 | 9783898820189 |
| Agency | German language | |
| Publisher | Verlag Michael Jung | |
| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 3-551-35402-2 | 3551354022 |
| ISBN-13 | 978-3-551-35402-0 | 9783551354020 |
| Agency | German language | |
| Publisher | Carlsen | |