| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 84-9838-631-4 | 8498386314 |
| ISBN-13 | 978-84-9838-631-8 | 9788498386318 |
| Agency | Spain | |
| Publisher | Salamandra | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 84-9838-656-X | 849838656X |
| ISBN-13 | 978-84-9838-656-1 | 9788498386561 |
| Agency | Spain | |
| Publisher | Salamandra | |